Base | Representation |
---|---|
bin | 11100100010100011… |
… | …111010010001101011 |
3 | 2221002200020111021022 |
4 | 130202203322101223 |
5 | 1000230010011110 |
6 | 22024500203055 |
7 | 2133254613515 |
oct | 344243722153 |
9 | 87080214238 |
10 | 30644610155 |
11 | 11aa60a11a5 |
12 | 5b3299948b |
13 | 2b74aaca23 |
14 | 16a9cc4bb5 |
15 | be5509755 |
hex | 7228fa46b |
30644610155 has 16 divisors (see below), whose sum is σ = 38049484320. Its totient is φ = 23665404672.
The previous prime is 30644610137. The next prime is 30644610163. The reversal of 30644610155 is 55101644603.
It is a cyclic number.
It is not a de Polignac number, because 30644610155 - 212 = 30644606059 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779327 + ... + 817703.
It is an arithmetic number, because the mean of its divisors is an integer number (2378092770).
Almost surely, 230644610155 is an apocalyptic number.
30644610155 is a deficient number, since it is larger than the sum of its proper divisors (7404874165).
30644610155 is a wasteful number, since it uses less digits than its factorization.
30644610155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43918.
The product of its (nonzero) digits is 43200, while the sum is 35.
The spelling of 30644610155 in words is "thirty billion, six hundred forty-four million, six hundred ten thousand, one hundred fifty-five".
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