Base | Representation |
---|---|
bin | 1001010111001001001… |
… | …1101000001111011000 |
3 | 120101010121220122212200 |
4 | 2111302103220033120 |
5 | 10113340333210021 |
6 | 201515054010200 |
7 | 14422361342433 |
oct | 2256223501730 |
9 | 511117818780 |
10 | 160831538136 |
11 | 62232235065 |
12 | 272061a6960 |
13 | 12221612919 |
14 | 7ada12c81a |
15 | 42b4994126 |
hex | 25724e83d8 |
160831538136 has 96 divisors (see below), whose sum is σ = 447522207600. Its totient is φ = 52142434560.
The previous prime is 160831538113. The next prime is 160831538137. The reversal of 160831538136 is 631835138061.
160831538136 is a `hidden beast` number, since 1 + 6 + 0 + 83 + 1 + 538 + 1 + 36 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 160831538091 and 160831538100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (160831538137) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8464695 + ... + 8483673.
Almost surely, 2160831538136 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 160831538136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223761103800).
160831538136 is an abundant number, since it is smaller than the sum of its proper divisors (286690669464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
160831538136 is a wasteful number, since it uses less digits than its factorization.
160831538136 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22209 (or 22202 counting only the distinct ones).
The product of its (nonzero) digits is 311040, while the sum is 45.
The spelling of 160831538136 in words is "one hundred sixty billion, eight hundred thirty-one million, five hundred thirty-eight thousand, one hundred thirty-six".
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