Base | Representation |
---|---|
bin | 10101110100001111… |
… | …11010010111010111 |
3 | 1010020021021020122222 |
4 | 22322013322113113 |
5 | 142441404231324 |
6 | 5214121012555 |
7 | 563151131564 |
oct | 127207722727 |
9 | 33207236588 |
10 | 11712570839 |
11 | 4a70493912 |
12 | 232a62415b |
13 | 11487487b8 |
14 | 7d179b86b |
15 | 4883e655e |
hex | 2ba1fa5d7 |
11712570839 has 4 divisors (see below), whose sum is σ = 11761170960. Its totient is φ = 11663970720.
The previous prime is 11712570743. The next prime is 11712570871. The reversal of 11712570839 is 93807521711.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 11712570839 - 228 = 11444135383 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 11712570839.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11712575839) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24299699 + ... + 24300180.
It is an arithmetic number, because the mean of its divisors is an integer number (2940292740).
Almost surely, 211712570839 is an apocalyptic number.
11712570839 is a deficient number, since it is larger than the sum of its proper divisors (48600121).
11712570839 is an equidigital number, since it uses as much as digits as its factorization.
11712570839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48600120.
The product of its (nonzero) digits is 105840, while the sum is 44.
The spelling of 11712570839 in words is "eleven billion, seven hundred twelve million, five hundred seventy thousand, eight hundred thirty-nine".
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