[go: up one dir, main page]

Search a number
-
+
7853858012 = 227111319103237
BaseRepresentation
bin1110101000010000…
…00101110011011100
3202021100102022210002
413110020011303130
5112041041424022
63335155233432
7365424456140
oct72410056334
922240368702
107853858012
113370330850
1216322a8878
13982195280
14547105220
1530e77e092
hex1d4205cdc

7853858012 has 96 divisors (see below), whose sum is σ = 19425262080. Its totient is φ = 2675877120.

The previous prime is 7853858009. The next prime is 7853858057. The reversal of 7853858012 is 2108583587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24458 + ... + 127694.

It is an arithmetic number, because the mean of its divisors is an integer number (202346480).

Almost surely, 27853858012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7853858012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9712631040).

7853858012 is an abundant number, since it is smaller than the sum of its proper divisors (11571404068).

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

7853858012 is a wasteful number, since it uses less digits than its factorization.

7853858012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103291 (or 103289 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 7853858012 is about 88621.9950802282. The cubic root of 7853858012 is about 1987.7465811807.

It can be divided in two parts, 785385 and 8012, that added together give a palindrome (793397).

The spelling of 7853858012 in words is "seven billion, eight hundred fifty-three million, eight hundred fifty-eight thousand, twelve".

Divisors: 1 2 4 7 11 13 14 19 22 26 28 38 44 52 76 77 91 133 143 154 182 209 247 266 286 308 364 418 494 532 572 836 988 1001 1463 1729 2002 2717 2926 3458 4004 5434 5852 6916 10868 19019 38038 76076 103237 206474 412948 722659 1135607 1342081 1445318 1961503 2271214 2684162 2890636 3923006 4542428 5368324 7846012 7949249 9394567 13730521 14762891 15898498 18789134 21576533 25499539 27461042 29525782 31796996 37578268 43153066 50999078 54922084 59051564 86306132 101998156 103340237 151035731 178496773 206680474 280494929 302071462 356993546 413360948 560989858 604142924 713987092 1121979716 1963464503 3926929006 7853858012