Base | Representation |
---|---|
bin | 110011111100001011000… |
… | …1011101100000001011111 |
3 | 221021102222212000012120021 |
4 | 1213320112023230001133 |
5 | 1413424332044333412 |
6 | 23103233043533011 |
7 | 1334514233125402 |
oct | 147702613540137 |
9 | 27242885005507 |
10 | 7138607808607 |
11 | 2302515006490 |
12 | 97361538a167 |
13 | 3ca224944122 |
14 | 1a97209c5d39 |
15 | c5a590be607 |
hex | 67e162ec05f |
7138607808607 has 64 divisors (see below), whose sum is σ = 8303952384000. Its totient is φ = 6068881843200.
The previous prime is 7138607808547. The next prime is 7138607808643. The reversal of 7138607808607 is 7068087068317.
It is not a de Polignac number, because 7138607808607 - 215 = 7138607775839 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7138607808667) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3450268569 + ... + 3450270637.
It is an arithmetic number, because the mean of its divisors is an integer number (129749256000).
Almost surely, 27138607808607 is an apocalyptic number.
7138607808607 is a deficient number, since it is larger than the sum of its proper divisors (1165344575393).
7138607808607 is a wasteful number, since it uses less digits than its factorization.
7138607808607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2912.
The product of its (nonzero) digits is 18966528, while the sum is 61.
The spelling of 7138607808607 in words is "seven trillion, one hundred thirty-eight billion, six hundred seven million, eight hundred eight thousand, six hundred seven".
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