Base | Representation |
---|---|
bin | 11100000100110100… |
… | …111100010111111011 |
3 | 2212210220120012202001 |
4 | 130010310330113323 |
5 | 443214303234330 |
6 | 21503200121431 |
7 | 2115016502242 |
oct | 340464742773 |
9 | 85726505661 |
10 | 30145758715 |
11 | 1186a549786 |
12 | 5a13906277 |
13 | 2ac563a667 |
14 | 165d94b959 |
15 | bb681b9ca |
hex | 704d3c5fb |
30145758715 has 16 divisors (see below), whose sum is σ = 36413994528. Its totient is φ = 23957358336.
The previous prime is 30145758667. The next prime is 30145758737. The reversal of 30145758715 is 51785754103.
It is a cyclic number.
It is not a de Polignac number, because 30145758715 - 217 = 30145627643 is a prime.
It is a Duffinian number.
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, 2008017 + ... + 2022973.
It is an arithmetic number, because the mean of its divisors is an integer number (2275874658).
Almost surely, 230145758715 is an apocalyptic number.
30145758715 is a deficient number, since it is larger than the sum of its proper divisors (6268235813).
30145758715 is a wasteful number, since it uses less digits than its factorization.
30145758715 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17598.
The product of its (nonzero) digits is 588000, while the sum is 46.
The spelling of 30145758715 in words is "thirty billion, one hundred forty-five million, seven hundred fifty-eight thousand, seven hundred fifteen".
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