Base | Representation |
---|---|
bin | 1101110111111101010011… |
… | …1111001110011100100011 |
3 | 2000000100211022222221101210 |
4 | 3131333110333032130203 |
5 | 3444414221031242011 |
6 | 52240015024001203 |
7 | 3133065114216153 |
oct | 335772477163443 |
9 | 60010738887353 |
10 | 15255002212131 |
11 | 4951679062840 |
12 | 1864631460203 |
13 | 8687047330b6 |
14 | 3aa4bb7a2763 |
15 | 1b6c3e6c06a6 |
hex | ddfd4fce723 |
15255002212131 has 64 divisors (see below), whose sum is σ = 23023711226880. Its totient is φ = 8899669954560.
The previous prime is 15255002212129. The next prime is 15255002212193. The reversal of 15255002212131 is 13121220055251.
It is not a de Polignac number, because 15255002212131 - 21 = 15255002212129 is a prime.
It is a super-2 number, since 2×152550022121312 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (15255002216131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 429253195 + ... + 429288731.
It is an arithmetic number, because the mean of its divisors is an integer number (359745487920).
Almost surely, 215255002212131 is an apocalyptic number.
15255002212131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
15255002212131 is a deficient number, since it is larger than the sum of its proper divisors (7768709014749).
15255002212131 is a wasteful number, since it uses less digits than its factorization.
15255002212131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36924.
The product of its (nonzero) digits is 6000, while the sum is 30.
Adding to 15255002212131 its reverse (13121220055251), we get a palindrome (28376222267382).
The spelling of 15255002212131 in words is "fifteen trillion, two hundred fifty-five billion, two million, two hundred twelve thousand, one hundred thirty-one".
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