Base | Representation |
---|---|
bin | 1011111100110100… |
… | …01101101001010001 |
3 | 121120010101210100102 |
4 | 11332122031221101 |
5 | 101114414040040 |
6 | 2540344102145 |
7 | 314663062253 |
oct | 57632155121 |
9 | 17503353312 |
10 | 6415768145 |
11 | 27a2596626 |
12 | 12b0764955 |
13 | 7b326b517 |
14 | 44c119cd3 |
15 | 2783b3515 |
hex | 17e68da51 |
6415768145 has 16 divisors (see below), whose sum is σ = 7841525760. Its totient is φ = 5038298304.
The previous prime is 6415768129. The next prime is 6415768201. The reversal of 6415768145 is 5418675146.
It is a cyclic number.
It is not a de Polignac number, because 6415768145 - 24 = 6415768129 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 6415768145.
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, 21392 + ... + 115278.
It is an arithmetic number, because the mean of its divisors is an integer number (490095360).
Almost surely, 26415768145 is an apocalyptic number.
It is an amenable number.
6415768145 is a deficient number, since it is larger than the sum of its proper divisors (1425757615).
6415768145 is a wasteful number, since it uses less digits than its factorization.
6415768145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94144.
The product of its digits is 806400, while the sum is 47.
The square root of 6415768145 is about 80098.4902791557. The cubic root of 6415768145 is about 1858.1590588759.
The spelling of 6415768145 in words is "six billion, four hundred fifteen million, seven hundred sixty-eight thousand, one hundred forty-five".
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