Base | Representation |
---|---|
bin | 11100000100010011… |
… | …101010010000010011 |
3 | 2212210022010221100002 |
4 | 130010103222100103 |
5 | 443210040034442 |
6 | 21502245120215 |
7 | 2114552363102 |
oct | 340423522023 |
9 | 85708127302 |
10 | 30137033747 |
11 | 1186562a567 |
12 | 5a109b906b |
13 | 2ac38a4262 |
14 | 165c71a039 |
15 | bb5b96732 |
hex | 7044ea413 |
30137033747 has 16 divisors (see below), whose sum is σ = 32377024512. Its totient is φ = 27951742080.
The previous prime is 30137033683. The next prime is 30137033779. The reversal of 30137033747 is 74733073103.
It is a cyclic number.
It is not a de Polignac number, because 30137033747 - 26 = 30137033683 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30137033747.
It is not an unprimeable number, because it can be changed into a prime (30137033447) 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, 304058 + ... + 390800.
It is an arithmetic number, because the mean of its divisors is an integer number (2023564032).
Almost surely, 230137033747 is an apocalyptic number.
30137033747 is a deficient number, since it is larger than the sum of its proper divisors (2239990765).
30137033747 is a wasteful number, since it uses less digits than its factorization.
30137033747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87058.
The product of its (nonzero) digits is 111132, while the sum is 38.
The spelling of 30137033747 in words is "thirty billion, one hundred thirty-seven million, thirty-three thousand, seven hundred forty-seven".
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