Base | Representation |
---|---|
bin | 100001110011111001… |
… | …1110011100011011011 |
3 | 20221102012212202022100 |
4 | 1003213303303203123 |
5 | 2142200300003024 |
6 | 53204514054443 |
7 | 5150210603244 |
oct | 1034763634333 |
9 | 227365782270 |
10 | 72608594139 |
11 | 2887a7274a4 |
12 | 120a457a423 |
13 | 6b01a09293 |
14 | 372b253ccb |
15 | 1d4e63c7c9 |
hex | 10e7cf38db |
72608594139 has 6 divisors (see below), whose sum is σ = 104879080436. Its totient is φ = 48405729420.
The previous prime is 72608594117. The next prime is 72608594147. The reversal of 72608594139 is 93149580627.
It is a de Polignac number, because none of the positive numbers 2k-72608594139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72608594239) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4033810777 + ... + 4033810794.
It is a 1-persistent number, because it is pandigital, but 2⋅72608594139 = 145217188278 is not.
Almost surely, 272608594139 is an apocalyptic number.
72608594139 is a deficient number, since it is larger than the sum of its proper divisors (32270486297).
72608594139 is a wasteful number, since it uses less digits than its factorization.
72608594139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8067621577 (or 8067621574 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The spelling of 72608594139 in words is "seventy-two billion, six hundred eight million, five hundred ninety-four thousand, one hundred thirty-nine".
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