Base | Representation |
---|---|
bin | 1101111110010… |
… | …01101101110000 |
3 | 22011120022002100 |
4 | 12333021231300 |
5 | 220001440120 |
6 | 15344220400 |
7 | 2622223623 |
oct | 677115560 |
9 | 264508070 |
10 | 117218160 |
11 | 60191814 |
12 | 3330a700 |
13 | 1b391977 |
14 | 117d3dba |
15 | a456490 |
hex | 6fc9b70 |
117218160 has 120 divisors (see below), whose sum is σ = 399376224. Its totient is φ = 30804480.
The previous prime is 117218147. The next prime is 117218197. The reversal of 117218160 is 61812711.
It is a tau number, because it is divible by the number of its divisors (120).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49974 + ... + 52266.
Almost surely, 2117218160 is an apocalyptic number.
117218160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 117218160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199688112).
117218160 is an abundant number, since it is smaller than the sum of its proper divisors (282158064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
117218160 is a wasteful number, since it uses less digits than its factorization.
117218160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2383 (or 2374 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 27.
The square root of 117218160 is about 10826.7335794320. The cubic root of 117218160 is about 489.4011287018.
It can be divided in two parts, 11721 and 8160, that added together give a square (19881 = 1412).
The spelling of 117218160 in words is "one hundred seventeen million, two hundred eighteen thousand, one hundred sixty".
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