Base | Representation |
---|---|
bin | 10010000011010… |
… | …10010000001011 |
3 | 101112221110010021 |
4 | 21001222100023 |
5 | 302231231110 |
6 | 23005401311 |
7 | 3516064222 |
oct | 1101522013 |
9 | 345843107 |
10 | 151430155 |
11 | 78529798 |
12 | 42869237 |
13 | 254acb56 |
14 | 1617bcb9 |
15 | d4632da |
hex | 906a40b |
151430155 has 4 divisors (see below), whose sum is σ = 181716192. Its totient is φ = 121144120.
The previous prime is 151430131. The next prime is 151430173. The reversal of 151430155 is 551034151.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551034151 = 7193 ⋅76607.
It is not a de Polignac number, because 151430155 - 29 = 151429643 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15143011 + ... + 15143020.
It is an arithmetic number, because the mean of its divisors is an integer number (45429048).
Almost surely, 2151430155 is an apocalyptic number.
151430155 is a deficient number, since it is larger than the sum of its proper divisors (30286037).
151430155 is an equidigital number, since it uses as much as digits as its factorization.
151430155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30286036.
The product of its (nonzero) digits is 1500, while the sum is 25.
The square root of 151430155 is about 12305.6960388269. The cubic root of 151430155 is about 533.0125755745.
The spelling of 151430155 in words is "one hundred fifty-one million, four hundred thirty thousand, one hundred fifty-five".
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