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102012002312 = 23113137394429
BaseRepresentation
bin101111100000001100…
…0111010000000001000
3100202022101120122112212
41133000120322000020
53132410033033222
6114510315124252
710240644466313
oct1370030720010
9322271518485
10102012002312
113a299130230
121792b743688
1398095c9b5c
144d1a36197a
1529c0bbd6e2
hex17c063a008

102012002312 has 32 divisors (see below), whose sum is σ = 215391916800. Its totient is φ = 44873313600.

The previous prime is 102012002303. The next prime is 102012002317. The reversal of 102012002312 is 213200210201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102012002317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18694487 + ... + 18699942.

It is an arithmetic number, because the mean of its divisors is an integer number (6730997400).

Almost surely, 2102012002312 is an apocalyptic number.

It is an amenable number.

102012002312 is an abundant number, since it is smaller than the sum of its proper divisors (113379914488).

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

102012002312 is a wasteful number, since it uses less digits than its factorization.

102012002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37394477 (or 37394473 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102012002312 its reverse (213200210201), we get a palindrome (315212212513).

The spelling of 102012002312 in words is "one hundred two billion, twelve million, two thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 248 341 682 1364 2728 37394429 74788858 149577716 299155432 411338719 822677438 1159227299 1645354876 2318454598 3290709752 4636909196 9273818392 12751500289 25503000578 51006001156 102012002312