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117687405768 = 23331169993103
BaseRepresentation
bin110110110011010110…
…1110100110011001000
3102020202211121122121020
41231212231310303020
53412010433441033
6130022001312440
711334255305112
oct1554655646310
9366684548536
10117687405768
1145a02521919
121a985335720
13b13705290a
1459a615a3b2
1530dbe476b3
hex1b66b74cc8

117687405768 has 64 divisors (see below), whose sum is σ = 303891456000. Its totient is φ = 37940927040.

The previous prime is 117687405761. The next prime is 117687405817. The reversal of 117687405768 is 867504786711.

It is not an unprimeable number, because it can be changed into a prime (117687405761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217505 + ... + 1310607.

It is an arithmetic number, because the mean of its divisors is an integer number (4748304000).

Almost surely, 2117687405768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117687405768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151945728000).

117687405768 is an abundant number, since it is smaller than the sum of its proper divisors (186204050232).

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

117687405768 is a wasteful number, since it uses less digits than its factorization.

117687405768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94842 (or 94838 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 60.

The spelling of 117687405768 in words is "one hundred seventeen billion, six hundred eighty-seven million, four hundred five thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 1699 3398 5097 6796 10194 13592 20388 40776 52669 93103 105338 158007 186206 210676 279309 316014 372412 421352 558618 632028 744824 1117236 1264056 2234472 2886193 5772386 8658579 11544772 17317158 23089544 34634316 69268632 158181997 316363994 474545991 632727988 949091982 1265455976 1898183964 3796367928 4903641907 9807283814 14710925721 19614567628 29421851442 39229135256 58843702884 117687405768