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18737112950 = 2521669922441
BaseRepresentation
bin10001011100110100…
…011010011101110110
31210100211011221220022
4101130310122131312
5301333200103300
612335133205142
71232215555313
oct213464323566
953324157808
1018737112950
117a45680316
12376b0307b2
1319c7b653aa
14c9a6a5d0a
15749e5c285
hex45cd1a776

18737112950 has 24 divisors (see below), whose sum is σ = 34854670200. Its totient is φ = 7494062400.

The previous prime is 18737112943. The next prime is 18737112973. The reversal of 18737112950 is 5921173781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823730 + ... + 846170.

It is an arithmetic number, because the mean of its divisors is an integer number (1452277925).

Almost surely, 218737112950 is an apocalyptic number.

18737112950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18737112950 is a deficient number, since it is larger than the sum of its proper divisors (16117557250).

18737112950 is a wasteful number, since it uses less digits than its factorization.

18737112950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39152 (or 39147 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 18737112950 in words is "eighteen billion, seven hundred thirty-seven million, one hundred twelve thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 16699 22441 33398 44882 83495 112205 166990 224410 417475 561025 834950 1122050 374742259 749484518 1873711295 3747422590 9368556475 18737112950