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102112031022011 = 317379571169843
BaseRepresentation
bin10111001101111011001111…
…010101100001101110111011
3111101112211000000021222001022
4113031323033111201232323
5101341000414420201021
61001101341445213055
730336231214465613
oct2715731725415673
9441484000258038
10102112031022011
112a599518502a5a
12b551bb470118b
1344c917a8c378a
141b3036a4d7a43
15bc127cd341ab
hex5cdecf561bbb

102112031022011 has 16 divisors (see below), whose sum is σ = 108202415247360. Its totient is φ = 96230694980160.

The previous prime is 102112031021953. The next prime is 102112031022049. The reversal of 102112031022011 is 110220130211201.

It is a happy number.

It is not a de Polignac number, because 102112031022011 - 218 = 102112030759867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102112031022611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285406145 + ... + 285763698.

It is an arithmetic number, because the mean of its divisors is an integer number (6762650952960).

Almost surely, 2102112031022011 is an apocalyptic number.

102112031022011 is a deficient number, since it is larger than the sum of its proper divisors (6090384225349).

102112031022011 is an equidigital number, since it uses as much as digits as its factorization.

102112031022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571170026.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102112031022011 its reverse (110220130211201), we get a palindrome (212332161233212).

The spelling of 102112031022011 in words is "one hundred two trillion, one hundred twelve billion, thirty-one million, twenty-two thousand, eleven".

Divisors: 1 31 73 79 2263 2449 5767 178777 571169843 17706265133 41695398539 45122417597 1292557354709 1398794945507 3293936484581 102112031022011