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12494549055 = 3519371577547
BaseRepresentation
bin10111010001011101…
…11011000000111111
31012020202200212010010
423220232323000333
5201042101032210
65423453314303
7621424625502
oct135056730077
935222625103
1012494549055
1153319356aa
122508495993
13124175b7c1
14867595139
154d1dad920
hex2e8bbb03f

12494549055 has 64 divisors (see below), whose sum is σ = 21752732160. Its totient is φ = 6102480384.

The previous prime is 12494549029. The next prime is 12494549057. The reversal of 12494549055 is 55094549421.

It is not a de Polignac number, because 12494549055 - 28 = 12494548799 is a prime.

It is a super-2 number, since 2×124945490552 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12494548995 and 12494549013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494549057) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1651792 + ... + 1659338.

It is an arithmetic number, because the mean of its divisors is an integer number (339886440).

Almost surely, 212494549055 is an apocalyptic number.

12494549055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12494549055 is a deficient number, since it is larger than the sum of its proper divisors (9258183105).

12494549055 is a wasteful number, since it uses less digits than its factorization.

12494549055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7768.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 12494549055 in words is "twelve billion, four hundred ninety-four million, five hundred forty-nine thousand, fifty-five".

Divisors: 1 3 5 15 19 37 57 95 111 157 185 285 471 555 703 785 2109 2355 2983 3515 5809 7547 8949 10545 14915 17427 22641 29045 37735 44745 87135 110371 113205 143393 279239 331113 430179 551855 716965 837717 1184879 1396195 1655565 2150895 3554637 4188585 5305541 5924395 15916623 17773185 22512701 26527705 43840523 67538103 79583115 112563505 131521569 219202615 337690515 657607845 832969937 2498909811 4164849685 12494549055