Base | Representation |
---|---|
bin | 10110101000101100… |
… | …01010010111111010 |
3 | 1011100221002200021200 |
4 | 23110112022113322 |
5 | 144342020422132 |
6 | 5325514315030 |
7 | 610102444044 |
oct | 132426122772 |
9 | 34327080250 |
10 | 12152514042 |
11 | 5176860739 |
12 | 2431a28a76 |
13 | 11b8933b16 |
14 | 833d9ca94 |
15 | 4b1d49d7c |
hex | 2d458a5fa |
12152514042 has 48 divisors (see below), whose sum is σ = 27320886528. Its totient is φ = 3899819520.
The previous prime is 12152514037. The next prime is 12152514083. The reversal of 12152514042 is 24041525121.
It is a happy number.
12152514042 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 251 + 404 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 12152513997 and 12152514015.
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, 51273 + ... + 164115.
It is an arithmetic number, because the mean of its divisors is an integer number (569185136).
Almost surely, 212152514042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12152514042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13660443264).
12152514042 is an abundant number, since it is smaller than the sum of its proper divisors (15168372486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12152514042 is a wasteful number, since it uses less digits than its factorization.
12152514042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113075 (or 113072 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 27.
The spelling of 12152514042 in words is "twelve billion, one hundred fifty-two million, five hundred fourteen thousand, forty-two".
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