Base | Representation |
---|---|
bin | 1001011000010111100… |
… | …1001110010010010000 |
3 | 120101222112021101212122 |
4 | 2112011321032102100 |
5 | 10120024000113100 |
6 | 202011433313412 |
7 | 14433461522021 |
oct | 2260571162220 |
9 | 511875241778 |
10 | 161160160400 |
11 | 62390788908 |
12 | 27298265868 |
13 | 12274722575 |
14 | 7b2ba32c48 |
15 | 42d3758985 |
hex | 2585e4e490 |
161160160400 has 60 divisors (see below), whose sum is σ = 387344380992. Its totient is φ = 64437909120.
The previous prime is 161160160397. The next prime is 161160160417. The reversal of 161160160400 is 4061061161.
It is a self number, because there is not a number n which added to its sum of digits gives 161160160400.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 920717 + ... + 1081683.
Almost surely, 2161160160400 is an apocalyptic number.
161160160400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
161160160400 is an abundant number, since it is smaller than the sum of its proper divisors (226184220592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161160160400 is a wasteful number, since it uses less digits than its factorization.
161160160400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163488 (or 163477 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 26.
The spelling of 161160160400 in words is "one hundred sixty-one billion, one hundred sixty million, one hundred sixty thousand, four hundred".
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