Base | Representation |
---|---|
bin | 11100100010101010… |
… | …111100100010101011 |
3 | 2221002210201012011021 |
4 | 130202222330202223 |
5 | 1000230443020233 |
6 | 22025003513311 |
7 | 2133306364453 |
oct | 344252744253 |
9 | 87083635137 |
10 | 30646454443 |
11 | 11aa7140900 |
12 | 5b33528837 |
13 | 2b752a7317 |
14 | 16aa244d63 |
15 | be5770e2d |
hex | 722abc8ab |
30646454443 has 24 divisors (see below), whose sum is σ = 35171690400. Its totient is φ = 26632932480.
The previous prime is 30646454441. The next prime is 30646454519. The reversal of 30646454443 is 34445464603.
It is not a de Polignac number, because 30646454443 - 21 = 30646454441 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30646454443.
It is not an unprimeable number, because it can be changed into a prime (30646454441) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8260873 + ... + 8264581.
It is an arithmetic number, because the mean of its divisors is an integer number (1465487100).
Almost surely, 230646454443 is an apocalyptic number.
30646454443 is a deficient number, since it is larger than the sum of its proper divisors (4525235957).
30646454443 is a wasteful number, since it uses less digits than its factorization.
30646454443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6723 (or 6712 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 43.
The spelling of 30646454443 in words is "thirty billion, six hundred forty-six million, four hundred fifty-four thousand, four hundred forty-three".
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