Base | Representation |
---|---|
bin | 11100001101011100… |
… | …01100110111011010 |
3 | 1110002111021211222120 |
4 | 32012232030313122 |
5 | 222004130111104 |
6 | 10542501202110 |
7 | 1044211510605 |
oct | 160656146732 |
9 | 43074254876 |
10 | 15145160154 |
11 | 6472058a93 |
12 | 2b28100336 |
13 | 1574942037 |
14 | a3960d33c |
15 | 5d9939cd9 |
hex | 386b8cdda |
15145160154 has 16 divisors (see below), whose sum is σ = 30786883680. Its totient is φ = 4965626160.
The previous prime is 15145160137. The next prime is 15145160179. The reversal of 15145160154 is 45106154151.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20689744 + ... + 20690475.
It is an arithmetic number, because the mean of its divisors is an integer number (1924180230).
Almost surely, 215145160154 is an apocalyptic number.
15145160154 is an abundant number, since it is smaller than the sum of its proper divisors (15641723526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15145160154 is a wasteful number, since it uses less digits than its factorization.
15145160154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41380285.
The product of its (nonzero) digits is 12000, while the sum is 33.
The spelling of 15145160154 in words is "fifteen billion, one hundred forty-five million, one hundred sixty thousand, one hundred fifty-four".
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