Base | Representation |
---|---|
bin | 11011111101100100… |
… | …11001110100010111 |
3 | 1102202012210212000200 |
4 | 31332302121310113 |
5 | 221221040402210 |
6 | 10521344111543 |
7 | 1041004161201 |
oct | 157662316427 |
9 | 42665725020 |
10 | 15012044055 |
11 | 64039a8988 |
12 | 2aab6055b3 |
13 | 15531a5108 |
14 | a25a7b771 |
15 | 5ccde30c0 |
hex | 37ec99d17 |
15012044055 has 48 divisors (see below), whose sum is σ = 27727225344. Its totient is φ = 7487400960.
The previous prime is 15012044023. The next prime is 15012044101. The reversal of 15012044055 is 55044021051.
15012044055 is a `hidden beast` number, since 1 + 50 + 1 + 204 + 405 + 5 = 666.
It is not a de Polignac number, because 15012044055 - 25 = 15012044023 is a prime.
It is a super-2 number, since 2×150120440552 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57610 + ... + 182600.
It is an arithmetic number, because the mean of its divisors is an integer number (577650528).
Almost surely, 215012044055 is an apocalyptic number.
15012044055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
15012044055 is a deficient number, since it is larger than the sum of its proper divisors (12715181289).
15012044055 is a wasteful number, since it uses less digits than its factorization.
15012044055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125176 (or 125173 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The spelling of 15012044055 in words is "fifteen billion, twelve million, forty-four thousand, fifty-five".
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