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2120230310 = 2511172939097
BaseRepresentation
bin111111001100000…
…0010010110100110
312110202120212012112
41332120002112212
513320234332220
6550215521022
7103353442322
oct17630022646
95422525175
102120230310
119988a6460
124b2089172
1327a352063
14161834982
15c62115c5
hex7e6025a6

2120230310 has 64 divisors (see below), whose sum is σ = 4560390720. Its totient is φ = 700600320.

The previous prime is 2120230309. The next prime is 2120230319. The reversal of 2120230310 is 130320212.

It is a happy number.

It is a super-2 number, since 2×21202303102 = 8990753134885392200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120230319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34682 + ... + 73778.

It is an arithmetic number, because the mean of its divisors is an integer number (71256105).

Almost surely, 22120230310 is an apocalyptic number.

2120230310 is an abundant number, since it is smaller than the sum of its proper divisors (2440160410).

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

2120230310 is a wasteful number, since it uses less digits than its factorization.

2120230310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39161.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2120230310 is about 46045.9586717445. The cubic root of 2120230310 is about 1284.6781754489.

Adding to 2120230310 its reverse (130320212), we get a palindrome (2250550522).

The spelling of 2120230310 in words is "two billion, one hundred twenty million, two hundred thirty thousand, three hundred ten".

Divisors: 1 2 5 10 11 17 22 29 34 55 58 85 110 145 170 187 290 319 374 493 638 935 986 1595 1870 2465 3190 4930 5423 10846 27115 39097 54230 78194 195485 390970 430067 664649 860134 1133813 1329298 2150335 2267626 3323245 4300670 5669065 6646490 7311139 11338130 12471943 14622278 19274821 24943886 36555695 38549642 62359715 73111390 96374105 124719430 192748210 212023031 424046062 1060115155 2120230310