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671066130 = 2357191091543
BaseRepresentation
bin100111111111111…
…010100000010010
31201202201200200010
4213333322200102
52333243104010
6150331135350
722425653010
oct4777724022
91652650603
10671066130
11314887a09
121688a4556
13a904b767
14651a58b0
153dda9620
hex27ffa812

671066130 has 128 divisors (see below), whose sum is σ = 1956556800. Its totient is φ = 143887104.

The previous prime is 671066129. The next prime is 671066131. The reversal of 671066130 is 31660176.

It is an interprime number because it is at equal distance from previous prime (671066129) and next prime (671066131).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671066131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 434139 + ... + 435681.

It is an arithmetic number, because the mean of its divisors is an integer number (15285600).

Almost surely, 2671066130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671066130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978278400).

671066130 is an abundant number, since it is smaller than the sum of its proper divisors (1285490670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671066130 is a wasteful number, since it uses less digits than its factorization.

671066130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 671066130 is about 25904.9441226960. The cubic root of 671066130 is about 875.4978956795.

The spelling of 671066130 in words is "six hundred seventy-one million, sixty-six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 109 114 133 190 210 218 266 285 327 399 545 570 654 665 763 798 1090 1330 1526 1543 1635 1995 2071 2289 3086 3270 3815 3990 4142 4578 4629 6213 7630 7715 9258 10355 10801 11445 12426 14497 15430 20710 21602 22890 23145 28994 29317 31065 32403 43491 46290 54005 58634 62130 64806 72485 86982 87951 108010 144970 146585 162015 168187 175902 205219 217455 293170 324030 336374 410438 434910 439755 504561 615657 840935 879510 1009122 1026095 1177309 1231314 1681870 2052190 2354618 2522805 3078285 3195553 3531927 5045610 5886545 6156570 6391106 7063854 9586659 11773090 15977765 17659635 19173318 22368871 31955530 35319270 44737742 47933295 67106613 95866590 111844355 134213226 223688710 335533065 671066130