Base | Representation |
---|---|
bin | 110101010111011110… |
… | …000011110110000101 |
3 | 12110220110221220021020 |
4 | 311113132003312011 |
5 | 1414323312311314 |
6 | 42154010141353 |
7 | 4065666403320 |
oct | 652736036605 |
9 | 173813856236 |
10 | 57302072709 |
11 | 22335587392 |
12 | b132421859 |
13 | 553281accb |
14 | 2ab843d7b7 |
15 | 175597bda9 |
hex | d57783d85 |
57302072709 has 16 divisors (see below), whose sum is σ = 88165189632. Its totient is φ = 32426137008.
The previous prime is 57302072677. The next prime is 57302072713. The reversal of 57302072709 is 90727020375.
It is not a de Polignac number, because 57302072709 - 25 = 57302072677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57302072719) 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, 13243809 + ... + 13248134.
It is an arithmetic number, because the mean of its divisors is an integer number (5510324352).
Almost surely, 257302072709 is an apocalyptic number.
It is an amenable number.
57302072709 is a deficient number, since it is larger than the sum of its proper divisors (30863116923).
57302072709 is a wasteful number, since it uses less digits than its factorization.
57302072709 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26492056.
The product of its (nonzero) digits is 185220, while the sum is 42.
The spelling of 57302072709 in words is "fifty-seven billion, three hundred two million, seventy-two thousand, seven hundred nine".
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