Base | Representation |
---|---|
bin | 1011101101010001100010… |
… | …1101100110111111111111 |
3 | 1200120120222220001010121222 |
4 | 2323110120231212333333 |
5 | 3141400214442024034 |
6 | 43213302522543555 |
7 | 2466000566142656 |
oct | 273243055467777 |
9 | 50516886033558 |
10 | 12872431595519 |
11 | 4113193063341 |
12 | 153a91b367bbb |
13 | 724b327b2802 |
14 | 32705988219d |
15 | 174c9503b12e |
hex | bb518b66fff |
12872431595519 has 16 divisors (see below), whose sum is σ = 13232032693920. Its totient is φ = 12517657152000.
The previous prime is 12872431595509. The next prime is 12872431595531. The reversal of 12872431595519 is 91559513427821.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12872431595519 - 28 = 12872431595263 is a prime.
It is a super-2 number, since 2×128724315955192 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12872431595509) 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 15 ways as a sum of consecutive naturals, for example, 46992584 + ... + 47265714.
It is an arithmetic number, because the mean of its divisors is an integer number (827002043370).
Almost surely, 212872431595519 is an apocalyptic number.
12872431595519 is a deficient number, since it is larger than the sum of its proper divisors (359601098401).
12872431595519 is an equidigital number, since it uses as much as digits as its factorization.
12872431595519 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281962.
The product of its digits is 27216000, while the sum is 62.
The spelling of 12872431595519 in words is "twelve trillion, eight hundred seventy-two billion, four hundred thirty-one million, five hundred ninety-five thousand, five hundred nineteen".
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