Base | Representation |
---|---|
bin | 1101101001001001010000… |
… | …1101110110000111011011 |
3 | 1222010000221111121210112020 |
4 | 3122102110031312013123 |
5 | 3431232022142031011 |
6 | 51523050145145523 |
7 | 3105515453036640 |
oct | 332222415660733 |
9 | 58100844553466 |
10 | 15000512455131 |
11 | 4863755244715 |
12 | 182324932b2a3 |
13 | 84a708445a78 |
14 | 39c05898ddc7 |
15 | 1b02e763d006 |
hex | da4943761db |
15000512455131 has 16 divisors (see below), whose sum is σ = 22865060254464. Its totient is φ = 8569045210464.
The previous prime is 15000512455111. The next prime is 15000512455141. The reversal of 15000512455131 is 13155421500051.
It is a happy number.
It is not a de Polignac number, because 15000512455131 - 25 = 15000512455099 is a prime.
It is a super-2 number, since 2×150005124551312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 15000512455092 and 15000512455101.
It is not an unprimeable number, because it can be changed into a prime (15000512455111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111439156 + ... + 111573681.
It is an arithmetic number, because the mean of its divisors is an integer number (1429066265904).
Almost surely, 215000512455131 is an apocalyptic number.
15000512455131 is a deficient number, since it is larger than the sum of its proper divisors (7864547799333).
15000512455131 is a wasteful number, since it uses less digits than its factorization.
15000512455131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223016050.
The product of its (nonzero) digits is 15000, while the sum is 33.
Adding to 15000512455131 its reverse (13155421500051), we get a palindrome (28155933955182).
The spelling of 15000512455131 in words is "fifteen trillion, five hundred twelve million, four hundred fifty-five thousand, one hundred thirty-one".
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