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115457400660 = 22357833312031
BaseRepresentation
bin110101110000111001…
…1000001111101010100
3102001000102110122200110
41223201303001331110
53342424043310120
6125012420443020
711225066466360
oct1534163017524
9361012418613
10115457400660
1144a68768a98
121a462549470
13ab70046b74
145833d0c2a0
15300b2a02e0
hex1ae1cc1f54

115457400660 has 96 divisors (see below), whose sum is σ = 373915164672. Its totient is φ = 26072300160.

The previous prime is 115457400607. The next prime is 115457400661. The reversal of 115457400660 is 66004754511.

It is a super-2 number, since 2×1154574006602 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115457400661) 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, 1621156 + ... + 1690875.

It is an arithmetic number, because the mean of its divisors is an integer number (3894949632).

Almost surely, 2115457400660 is an apocalyptic number.

115457400660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115457400660 is an abundant number, since it is smaller than the sum of its proper divisors (258457764012).

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

115457400660 is a wasteful number, since it uses less digits than its factorization.

115457400660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312133 (or 3312131 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 115457400660 in words is "one hundred fifteen billion, four hundred fifty-seven million, four hundred thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 83 84 105 140 166 210 249 332 415 420 498 581 830 996 1162 1245 1660 1743 2324 2490 2905 3486 4980 5810 6972 8715 11620 17430 34860 3312031 6624062 9936093 13248124 16560155 19872186 23184217 33120310 39744372 46368434 49680465 66240620 69552651 92736868 99360930 115921085 139105302 198721860 231842170 274898573 278210604 347763255 463684340 549797146 695526510 824695719 1099594292 1374492865 1391053020 1649391438 1924290011 2748985730 3298782876 3848580022 4123478595 5497971460 5772870033 7697160044 8246957190 9621450055 11545740066 16493914380 19242900110 23091480132 28864350165 38485800220 57728700330 115457400660