Base | Representation |
---|---|
bin | 10110111010110011… |
… | …11101011011010011 |
3 | 1011202112002121001001 |
4 | 23131121331123103 |
5 | 200144423121111 |
6 | 5352544122431 |
7 | 613626364024 |
oct | 133531753323 |
9 | 34675077031 |
10 | 12304504531 |
11 | 5244632410 |
12 | 2474906417 |
13 | 121127ba17 |
14 | 84a244c4b |
15 | 4c036e1c1 |
hex | 2dd67d6d3 |
12304504531 has 8 divisors (see below), whose sum is σ = 13856099328. Its totient is φ = 10825077000.
The previous prime is 12304504493. The next prime is 12304504559. The reversal of 12304504531 is 13540540321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12304504531 - 213 = 12304496339 is a prime.
It is a super-2 number, since 2×123045045312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12304504531.
It is not an unprimeable number, because it can be changed into a prime (12304504631) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18041455 + ... + 18042136.
It is an arithmetic number, because the mean of its divisors is an integer number (1732012416).
Almost surely, 212304504531 is an apocalyptic number.
12304504531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12304504531 is a deficient number, since it is larger than the sum of its proper divisors (1551594797).
12304504531 is a wasteful number, since it uses less digits than its factorization.
12304504531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36083633.
The product of its (nonzero) digits is 7200, while the sum is 28.
The spelling of 12304504531 in words is "twelve billion, three hundred four million, five hundred four thousand, five hundred thirty-one".
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