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102331123112 = 2312791390389
BaseRepresentation
bin101111101001101101…
…0010000010110101000
3100210010122001122222202
41133103122100112220
53134033231414422
6115002115035332
710251601123541
oct1372332202650
9323118048882
10102331123112
113a442284429
12179ba59bb48
13985a760b2a
144d4a8b14c8
1529ddc07b92
hex17d36905a8

102331123112 has 8 divisors (see below), whose sum is σ = 191870855850. Its totient is φ = 51165561552.

The previous prime is 102331123067. The next prime is 102331123121. The reversal of 102331123112 is 211321133201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 102089196196 + 241926916 = 319514^2 + 15554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6395695187 + ... + 6395695202.

Almost surely, 2102331123112 is an apocalyptic number.

It is an amenable number.

102331123112 is a deficient number, since it is larger than the sum of its proper divisors (89539732738).

102331123112 is a wasteful number, since it uses less digits than its factorization.

102331123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791390395 (or 12791390391 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 102331123112 its reverse (211321133201), we get a palindrome (313652256313).

The spelling of 102331123112 in words is "one hundred two billion, three hundred thirty-one million, one hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 12791390389 25582780778 51165561556 102331123112