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12103323044 = 2214928172269
BaseRepresentation
bin10110100010110101…
…00000110110100100
31011020111112111220212
423101122200312210
5144241422314134
65321000114552
7605634356051
oct132132406644
934214474825
1012103323044
11515101281a
122419465a58
1311ab69ca17
1482b636028
154ac87ebce
hex2d16a0da4

12103323044 has 24 divisors (see below), whose sum is σ = 21399147000. Its totient is φ = 5989571840.

The previous prime is 12103322999. The next prime is 12103323061. The reversal of 12103323044 is 44032330121.

It can be written as a sum of positive squares in 4 ways, for example, as 361000000 + 11742323044 = 19000^2 + 108362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131342 + ... + 203610.

It is an arithmetic number, because the mean of its divisors is an integer number (891631125).

Almost surely, 212103323044 is an apocalyptic number.

It is an amenable number.

12103323044 is a deficient number, since it is larger than the sum of its proper divisors (9295823956).

12103323044 is a wasteful number, since it uses less digits than its factorization.

12103323044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72703 (or 72701 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12103323044 its reverse (44032330121), we get a palindrome (56135653165).

The spelling of 12103323044 in words is "twelve billion, one hundred three million, three hundred twenty-three thousand, forty-four".

Divisors: 1 2 4 149 281 298 562 596 1124 41869 72269 83738 144538 167476 289076 10768081 20307589 21536162 40615178 43072324 81230356 3025830761 6051661522 12103323044