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115681356671808 = 2632129283000031
BaseRepresentation
bin11010010011011000101010…
…001010111110101101000000
3120011121000210122110002212110
4122103120222022332231000
5110130310404301444213
61050011140454255320
733236462600445024
oct3223305212765500
9504530718402773
10115681356671808
11339502080419a4
1210b839a4357540
134c71922215ac5
14207d01697a384
15d5920e4075c3
hex69362a2beb40

115681356671808 has 56 divisors (see below), whose sum is σ = 306217354625280. Its totient is φ = 38542340085760.

The previous prime is 115681356671789. The next prime is 115681356671857. The reversal of 115681356671808 is 808176653186511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141091248 + ... + 141908783.

It is an arithmetic number, because the mean of its divisors is an integer number (5468167046880).

Almost surely, 2115681356671808 is an apocalyptic number.

It is an amenable number.

115681356671808 is an abundant number, since it is smaller than the sum of its proper divisors (190535997953472).

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

115681356671808 is a wasteful number, since it uses less digits than its factorization.

115681356671808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283002175 (or 283002165 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 66.

The spelling of 115681356671808 in words is "one hundred fifteen trillion, six hundred eighty-one billion, three hundred fifty-six million, six hundred seventy-one thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 2129 4258 6387 8516 12774 17032 25548 34064 51096 68128 102192 136256 204384 408768 283000031 566000062 849000093 1132000124 1698000186 2264000248 3396000372 4528000496 6792000744 9056000992 13584001488 18112001984 27168002976 54336005952 602507065999 1205014131998 1807521197997 2410028263996 3615042395994 4820056527992 7230084791988 9640113055984 14460169583976 19280226111968 28920339167952 38560452223936 57840678335904 115681356671808