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115457657042870 = 25193119602318683
BaseRepresentation
bin11010010000001000010100…
…101000100111011110110110
3120010210122101122010112022022
4122100020110220213132312
5110113124240200332440
61045320303155033142
733214353242123642
oct3220102450473666
9503718348115268
10115457657042870
11338743544757aa
1210b4857389b7b2
134c567c1bc826c
1420722750cbc22
15d534ba525cb5
hex690214a277b6

115457657042870 has 32 divisors (see below), whose sum is σ = 225818711239680. Its totient is φ = 42341008353120.

The previous prime is 115457657042857. The next prime is 115457657042929. The reversal of 115457657042870 is 78240756754511.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9801153452 + ... + 9801165231.

It is an arithmetic number, because the mean of its divisors is an integer number (7056834726240).

Almost surely, 2115457657042870 is an apocalyptic number.

115457657042870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115457657042870 is a deficient number, since it is larger than the sum of its proper divisors (110361054196810).

115457657042870 is a wasteful number, since it uses less digits than its factorization.

115457657042870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19602318740.

The product of its (nonzero) digits is 65856000, while the sum is 62.

The spelling of 115457657042870 in words is "one hundred fifteen trillion, four hundred fifty-seven billion, six hundred fifty-seven million, forty-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 19 31 38 62 95 155 190 310 589 1178 2945 5890 19602318683 39204637366 98011593415 196023186830 372444054977 607671879173 744888109954 1215343758346 1862220274885 3038359395865 3724440549770 6076718791730 11545765704287 23091531408574 57728828521435 115457657042870