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115853281656 = 2337689602867
BaseRepresentation
bin110101111100101100…
…1001100100101111000
3102002001000101111022120
41223321121030211320
53344231420003111
6125120001521240
711240644434360
oct1537131144570
9362030344276
10115853281656
1145151180272
121a553043220
13ac04075688
14587071d9a0
153030ded406
hex1af964c978

115853281656 has 32 divisors (see below), whose sum is σ = 331009376640. Its totient is φ = 33100937568.

The previous prime is 115853281639. The next prime is 115853281667. The reversal of 115853281656 is 656182358511.

It is a happy number.

It is a super-2 number, since 2×1158532816562 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115853281599 and 115853281608.

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, 344801266 + ... + 344801601.

It is an arithmetic number, because the mean of its divisors is an integer number (10344043020).

Almost surely, 2115853281656 is an apocalyptic number.

It is an amenable number.

115853281656 is an abundant number, since it is smaller than the sum of its proper divisors (215156094984).

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

115853281656 is a wasteful number, since it uses less digits than its factorization.

115853281656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689602883 (or 689602879 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 51.

The spelling of 115853281656 in words is "one hundred fifteen billion, eight hundred fifty-three million, two hundred eighty-one thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 689602867 1379205734 2068808601 2758411468 4137617202 4827220069 5516822936 8275234404 9654440138 14481660207 16550468808 19308880276 28963320414 38617760552 57926640828 115853281656