Base | Representation |
---|---|
bin | 110110110011010110… |
… | …1110100110011001000 |
3 | 102020202211121122121020 |
4 | 1231212231310303020 |
5 | 3412010433441033 |
6 | 130022001312440 |
7 | 11334255305112 |
oct | 1554655646310 |
9 | 366684548536 |
10 | 117687405768 |
11 | 45a02521919 |
12 | 1a985335720 |
13 | b13705290a |
14 | 59a615a3b2 |
15 | 30dbe476b3 |
hex | 1b66b74cc8 |
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".
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