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12513804732954 = 23271745491284263
BaseRepresentation
bin1011011000011001100011…
…1000101100101000011010
31122022022022120022220120200
42312012120320230220122
53120011233002423304
642340432412403030
72431043514124620
oct266063070545032
948268276286520
1012513804732954
113a950905a0508
1214a1313a76476
136ca07b85b5a5
143139583a9510
1516a7a5964e39
hexb6198e2ca1a

12513804732954 has 96 divisors (see below), whose sum is σ = 32816541139200. Its totient is φ = 3364314379776.

The previous prime is 12513804732901. The next prime is 12513804732959. The reversal of 12513804732954 is 45923740831521.

12513804732954 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 3 + 80 + 473 + 2 + 95 + 4 = 666.

It is a super-2 number, since 2×125138047329542 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12513804732954.

It is not an unprimeable number, because it can be changed into a prime (12513804732959) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9101827 + ... + 10386089.

It is an arithmetic number, because the mean of its divisors is an integer number (341838970200).

Almost surely, 212513804732954 is an apocalyptic number.

12513804732954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12513804732954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16408270569600).

12513804732954 is an abundant number, since it is smaller than the sum of its proper divisors (20302736406246).

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

12513804732954 is a wasteful number, since it uses less digits than its factorization.

12513804732954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288844 (or 1288841 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 12513804732954 in words is "twelve trillion, five hundred thirteen billion, eight hundred four million, seven hundred thirty-two thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 714 1071 2142 4549 9098 13647 27294 31843 40941 63686 77333 81882 95529 154666 191058 231999 286587 463998 541331 573174 695997 1082662 1284263 1391994 1623993 2568526 3247986 3852789 4871979 7705578 8989841 9743958 11558367 17979682 21832471 23116734 26969523 43664942 53939046 65497413 80908569 130994826 152827297 161817138 196492239 305654594 392984478 458481891 916963782 1375445673 2750891346 5842112387 11684224774 17526337161 35052674322 40894786709 52579011483 81789573418 99315910579 105158022966 122684360127 198631821158 245368720254 297947731737 368053080381 595895463474 695211374053 736106160762 893843195211 1390422748106 1787686390422 2085634122159 4171268244318 6256902366477 12513804732954