Base | Representation |
---|---|
bin | 11100100101000011… |
… | …000111000001101011 |
3 | 2221012120202202100102 |
4 | 130211003013001223 |
5 | 1000321200441100 |
6 | 22032550500015 |
7 | 2134302420440 |
oct | 344503070153 |
9 | 87176682312 |
10 | 30686343275 |
11 | 12017705985 |
12 | 5b4496460b |
13 | 2b80632393 |
14 | 16b16699c7 |
15 | be8eeecd5 |
hex | 7250c706b |
30686343275 has 48 divisors (see below), whose sum is σ = 44156221440. Its totient is φ = 20719670400.
The previous prime is 30686343263. The next prime is 30686343293. The reversal of 30686343275 is 57234368603.
It is not a de Polignac number, because 30686343275 - 26 = 30686343211 is a prime.
It is a super-2 number, since 2×306863432752 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5485730 + ... + 5491320.
It is an arithmetic number, because the mean of its divisors is an integer number (919921280).
Almost surely, 230686343275 is an apocalyptic number.
30686343275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30686343275 is a deficient number, since it is larger than the sum of its proper divisors (13469878165).
30686343275 is a wasteful number, since it uses less digits than its factorization.
30686343275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6084 (or 6079 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 47.
The spelling of 30686343275 in words is "thirty billion, six hundred eighty-six million, three hundred forty-three thousand, two hundred seventy-five".
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