Base | Representation |
---|---|
bin | 11100110101100111… |
… | …01011010110100100 |
3 | 1110221222101012112010 |
4 | 32122303223112210 |
5 | 223201411440233 |
6 | 11040135554220 |
7 | 1055443006413 |
oct | 163263532644 |
9 | 43858335463 |
10 | 15482140068 |
11 | 662529aa8a |
12 | 3000b2b970 |
13 | 15c96b9b35 |
14 | a6c28b47a |
15 | 609300b63 |
hex | 39aceb5a4 |
15482140068 has 12 divisors (see below), whose sum is σ = 36124993520. Its totient is φ = 5160713352.
The previous prime is 15482140031. The next prime is 15482140073. The reversal of 15482140068 is 86004128451.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×154821400682 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645089158 + ... + 645089181.
Almost surely, 215482140068 is an apocalyptic number.
It is an amenable number.
15482140068 is an abundant number, since it is smaller than the sum of its proper divisors (20642853452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15482140068 is a wasteful number, since it uses less digits than its factorization.
15482140068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1290178346 (or 1290178344 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 39.
The spelling of 15482140068 in words is "fifteen billion, four hundred eighty-two million, one hundred forty thousand, sixty-eight".
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