Base | Representation |
---|---|
bin | 11100000010101100… |
… | …10100000100110000 |
3 | 1102212012122212011101 |
4 | 32001112110010300 |
5 | 221313040342034 |
6 | 10525521054144 |
7 | 1042035330454 |
oct | 160126240460 |
9 | 42765585141 |
10 | 15055012144 |
11 | 64261864a7 |
12 | 2b01a87354 |
13 | 155c06a913 |
14 | a2b664664 |
15 | 5d1a7e514 |
hex | 381594130 |
15055012144 has 20 divisors (see below), whose sum is σ = 29182114120. Its totient is φ = 7524144000.
The previous prime is 15055012111. The next prime is 15055012151. The reversal of 15055012144 is 44121055051.
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, 172989 + ... + 245020.
It is an arithmetic number, because the mean of its divisors is an integer number (1459105706).
Almost surely, 215055012144 is an apocalyptic number.
It is an amenable number.
15055012144 is a deficient number, since it is larger than the sum of its proper divisors (14127101976).
15055012144 is a wasteful number, since it uses less digits than its factorization.
15055012144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420268 (or 420262 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 28.
Adding to 15055012144 its reverse (44121055051), we get a palindrome (59176067195).
The spelling of 15055012144 in words is "fifteen billion, fifty-five million, twelve thousand, one hundred forty-four".
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