Base | Representation |
---|---|
bin | 10010001110001… |
… | …11100101010101 |
3 | 101122122010220000 |
4 | 21013013211111 |
5 | 303113023023 |
6 | 23100201513 |
7 | 3534203634 |
oct | 1107074525 |
9 | 348563800 |
10 | 152861013 |
11 | 79316818 |
12 | 43239299 |
13 | 25891206 |
14 | 1643151b |
15 | d647243 |
hex | 91c7955 |
152861013 has 20 divisors (see below), whose sum is σ = 238279008. Its totient is φ = 97475400.
The previous prime is 152861011. The next prime is 152861029. The reversal of 152861013 is 310168251.
152861013 is a `hidden beast` number, since 15 + 28 + 610 + 13 = 666.
152861013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 152861013 - 21 = 152861011 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152861011) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39163 + ... + 42888.
Almost surely, 2152861013 is an apocalyptic number.
It is an amenable number.
152861013 is a deficient number, since it is larger than the sum of its proper divisors (85417995).
152861013 is an equidigital number, since it uses as much as digits as its factorization.
152861013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82086 (or 82077 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 152861013 is about 12363.6973838735. The cubic root of 152861013 is about 534.6861209494.
The spelling of 152861013 in words is "one hundred fifty-two million, eight hundred sixty-one thousand, thirteen".
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