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102312012322 = 213174714233461
BaseRepresentation
bin101111101001001000…
…1010110101000100010
3100210002022002201220201
41133102101112220202
53134013333343242
6115000153255414
710251246520132
oct1372221265042
9323068081821
10102312012322
113a432511193
12179b410456a
1398567cc380
144d48138ac2
1529dc1d04b7
hex17d2456a22

102312012322 has 64 divisors (see below), whose sum is σ = 178895775744. Its totient is φ = 43454499840.

The previous prime is 102312012311. The next prime is 102312012323. The reversal of 102312012322 is 223210213201.

It is a self number, because there is not a number n which added to its sum of digits gives 102312012322.

It is not an unprimeable number, because it can be changed into a prime (102312012323) 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 31 ways as a sum of consecutive naturals, for example, 29559672 + ... + 29563132.

It is an arithmetic number, because the mean of its divisors is an integer number (2795246496).

Almost surely, 2102312012322 is an apocalyptic number.

102312012322 is a deficient number, since it is larger than the sum of its proper divisors (76583763422).

102312012322 is a wasteful number, since it uses less digits than its factorization.

102312012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102312012322 its reverse (223210213201), we get a palindrome (325522225523).

The spelling of 102312012322 in words is "one hundred two billion, three hundred twelve million, twelve thousand, three hundred twenty-two".

Divisors: 1 2 13 17 26 34 47 94 221 442 611 799 1222 1423 1598 2846 3461 6922 10387 18499 20774 24191 36998 44993 48382 58837 66881 89986 117674 133762 162667 314483 325334 628966 764881 869453 1136977 1529762 1738906 2114671 2273954 2765339 4229342 4925003 5530678 9850006 14780701 29561402 35949407 64025039 71898814 83725051 128050078 167450102 231475141 462950282 1088425663 2176851326 3009176833 3935077397 6018353666 7870154794 51156006161 102312012322