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12736590630 = 2352347392741
BaseRepresentation
bin10111101110010100…
…01111001100100110
31012212122010211201220
423313022033030212
5202041031400010
65503501201210
7630424143201
oct136712171446
935778124656
1012736590630
115446523065
122575560206
13127c94597a
1488b79c938
154e826e970
hex2f728f326

12736590630 has 64 divisors (see below), whose sum is σ = 32575592448. Its totient is φ = 3179623040.

The previous prime is 12736590613. The next prime is 12736590631. The reversal of 12736590630 is 3609563721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12736590631) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 163941 + ... + 228800.

It is an arithmetic number, because the mean of its divisors is an integer number (508993632).

Almost surely, 212736590630 is an apocalyptic number.

12736590630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12736590630 is an abundant number, since it is smaller than the sum of its proper divisors (19839001818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12736590630 is a wasteful number, since it uses less digits than its factorization.

12736590630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392821.

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 12736590630 in words is "twelve billion, seven hundred thirty-six million, five hundred ninety thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 47 69 94 115 138 141 230 235 282 345 470 690 705 1081 1410 2162 3243 5405 6486 10810 16215 32430 392741 785482 1178223 1963705 2356446 3927410 5891115 9033043 11782230 18066086 18458827 27099129 36917654 45165215 54198258 55376481 90330430 92294135 110752962 135495645 184588270 270991290 276882405 424553021 553764810 849106042 1273659063 2122765105 2547318126 4245530210 6368295315 12736590630