Base | Representation |
---|---|
bin | 10010000111000… |
… | …01111000101000 |
3 | 101120212100021220 |
4 | 21003201320220 |
5 | 302342421133 |
6 | 23024102040 |
7 | 3523204641 |
oct | 1103417050 |
9 | 346770256 |
10 | 151920168 |
11 | 78833964 |
12 | 42a64920 |
13 | 25621bba |
14 | 162686c8 |
15 | d50d5b3 |
hex | 90e1e28 |
151920168 has 32 divisors (see below), whose sum is σ = 387884160. Its totient is φ = 49562240.
The previous prime is 151920157. The next prime is 151920193. The reversal of 151920168 is 861029151.
151920168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66213 + ... + 68468.
It is an arithmetic number, because the mean of its divisors is an integer number (12121380).
Almost surely, 2151920168 is an apocalyptic number.
It is an amenable number.
151920168 is an abundant number, since it is smaller than the sum of its proper divisors (235963992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151920168 is a wasteful number, since it uses less digits than its factorization.
151920168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134737 (or 134733 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 33.
The square root of 151920168 is about 12325.5899655960. The cubic root of 151920168 is about 533.5868818736.
The spelling of 151920168 in words is "one hundred fifty-one million, nine hundred twenty thousand, one hundred sixty-eight".
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