Base | Representation |
---|---|
bin | 11000000100101111… |
… | …01101001100110001 |
3 | 1020100202001022011222 |
4 | 30002113231030301 |
5 | 202432203431034 |
6 | 5534300314425 |
7 | 635166613613 |
oct | 140227551461 |
9 | 36322038158 |
10 | 12924670769 |
11 | 553270449a |
12 | 2608542a15 |
13 | 12ac8b85aa |
14 | 8a875adb3 |
15 | 509a2212e |
hex | 3025ed331 |
12924670769 has 4 divisors (see below), whose sum is σ = 12931157796. Its totient is φ = 12918183744.
The previous prime is 12924670757. The next prime is 12924670771. The reversal of 12924670769 is 96707642921.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96707642921 = 23 ⋅4204680127.
It can be written as a sum of positive squares in 2 ways, for example, as 11029200400 + 1895470369 = 105020^2 + 43537^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12924670769 is a prime.
It is a super-2 number, since 2×129246707692 (a number of 21 digits) contains 22 as substring.
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 12924670769.
It is not an unprimeable number, because it can be changed into a prime (12924670069) 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, 3240524 + ... + 3244509.
It is an arithmetic number, because the mean of its divisors is an integer number (3232789449).
Almost surely, 212924670769 is an apocalyptic number.
It is an amenable number.
12924670769 is a deficient number, since it is larger than the sum of its proper divisors (6487027).
12924670769 is an equidigital number, since it uses as much as digits as its factorization.
12924670769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6487026.
The product of its (nonzero) digits is 2286144, while the sum is 53.
The spelling of 12924670769 in words is "twelve billion, nine hundred twenty-four million, six hundred seventy thousand, seven hundred sixty-nine".
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