Base | Representation |
---|---|
bin | 11100011010101110… |
… | …001101011110111101 |
3 | 2220202111202201000120 |
4 | 130122232031132331 |
5 | 444442322430131 |
6 | 22003441245153 |
7 | 2130100002321 |
oct | 343256153675 |
9 | 86674681016 |
10 | 30513092541 |
11 | 11a38933058 |
12 | 5ab69337b9 |
13 | 2b53782559 |
14 | 169664b981 |
15 | bd8bcb496 |
hex | 71ab8d7bd |
30513092541 has 16 divisors (see below), whose sum is σ = 42938419200. Its totient is φ = 19220565168.
The previous prime is 30513092513. The next prime is 30513092563. The reversal of 30513092541 is 14529031503.
It is not a de Polignac number, because 30513092541 - 25 = 30513092509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30513092041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684621 + ... + 727826.
It is an arithmetic number, because the mean of its divisors is an integer number (2683651200).
Almost surely, 230513092541 is an apocalyptic number.
It is an amenable number.
30513092541 is a deficient number, since it is larger than the sum of its proper divisors (12425326659).
30513092541 is a wasteful number, since it uses less digits than its factorization.
30513092541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1412848.
The product of its (nonzero) digits is 16200, while the sum is 33.
The spelling of 30513092541 in words is "thirty billion, five hundred thirteen million, ninety-two thousand, five hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •