Base | Representation |
---|---|
bin | 1011010010101001101011… |
… | …1110010011110000000011 |
3 | 1121221212102120020122121102 |
4 | 2310222122332103300003 |
5 | 3111402013202314111 |
6 | 42223221530045015 |
7 | 2420646435441152 |
oct | 264523276236003 |
9 | 47855376218542 |
10 | 12415055510531 |
11 | 3a572171a3093 |
12 | 1486154b7976b |
13 | 6c097221162b |
14 | 30cc6b4d5599 |
15 | 167e2644613b |
hex | b4a9af93c03 |
12415055510531 has 4 divisors (see below), whose sum is σ = 12954840532752. Its totient is φ = 11875270488312.
The previous prime is 12415055510513. The next prime is 12415055510569. The reversal of 12415055510531 is 13501555051421.
12415055510531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12415055510531 is a prime.
It is a super-2 number, since 2×124150555105312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12415055710531) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269892511076 + ... + 269892511121.
It is an arithmetic number, because the mean of its divisors is an integer number (3238710133188).
Almost surely, 212415055510531 is an apocalyptic number.
12415055510531 is a deficient number, since it is larger than the sum of its proper divisors (539785022221).
12415055510531 is an equidigital number, since it uses as much as digits as its factorization.
12415055510531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 539785022220.
The product of its (nonzero) digits is 75000, while the sum is 38.
The spelling of 12415055510531 in words is "twelve trillion, four hundred fifteen billion, fifty-five million, five hundred ten thousand, five hundred thirty-one".
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