Base | Representation |
---|---|
bin | 11011111101100110… |
… | …01100100110110101 |
3 | 1102202020012102101111 |
4 | 31332303030212311 |
5 | 221221114031320 |
6 | 10521352355021 |
7 | 1041006015535 |
oct | 157663144665 |
9 | 42666172344 |
10 | 15012252085 |
11 | 6404030206 |
12 | 2aab6a5a71 |
13 | 15532489cc |
14 | a25ad34c5 |
15 | 5cce34a5a |
hex | 37eccc9b5 |
15012252085 has 16 divisors (see below), whose sum is σ = 18639725040. Its totient is φ = 11593290240.
The previous prime is 15012252037. The next prime is 15012252103. The reversal of 15012252085 is 58025221051.
It can be written as a sum of positive squares in 8 ways, for example, as 475850596 + 14536401489 = 21814^2 + 120567^2 .
It is not a de Polignac number, because 15012252085 - 233 = 6422317493 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089499 + ... + 1103191.
It is an arithmetic number, because the mean of its divisors is an integer number (1164982815).
Almost surely, 215012252085 is an apocalyptic number.
It is an amenable number.
15012252085 is a deficient number, since it is larger than the sum of its proper divisors (3627472955).
15012252085 is a wasteful number, since it uses less digits than its factorization.
15012252085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21288.
The product of its (nonzero) digits is 8000, while the sum is 31.
The spelling of 15012252085 in words is "fifteen billion, twelve million, two hundred fifty-two thousand, eighty-five".
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