Base | Representation |
---|---|
bin | 11011111101001010… |
… | …010100110000001011 |
3 | 2212110221120000002020 |
4 | 123331022110300023 |
5 | 442433342131432 |
6 | 21442323335523 |
7 | 2111565346542 |
oct | 337512246013 |
9 | 85427500066 |
10 | 30017145867 |
11 | 11803994a75 |
12 | 59988215a3 |
13 | 2aa4ab9397 |
14 | 164a82d159 |
15 | baa3b422c |
hex | 6fd294c0b |
30017145867 has 32 divisors (see below), whose sum is σ = 41049980928. Its totient is φ = 19505396736.
The previous prime is 30017145863. The next prime is 30017145883. The reversal of 30017145867 is 76854171003.
It is not a de Polignac number, because 30017145867 - 22 = 30017145863 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30017145863) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9476518 + ... + 9479684.
It is an arithmetic number, because the mean of its divisors is an integer number (1282811904).
Almost surely, 230017145867 is an apocalyptic number.
30017145867 is a deficient number, since it is larger than the sum of its proper divisors (11032835061).
30017145867 is a wasteful number, since it uses less digits than its factorization.
30017145867 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3739.
The product of its (nonzero) digits is 141120, while the sum is 42.
The spelling of 30017145867 in words is "thirty billion, seventeen million, one hundred forty-five thousand, eight hundred sixty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •