Base | Representation |
---|---|
bin | 10111101110010101… |
… | …10111100101010011 |
3 | 1012212122110020122121 |
4 | 23313022313211103 |
5 | 202041102143201 |
6 | 5503504515111 |
7 | 630425432365 |
oct | 136712674523 |
9 | 35778406577 |
10 | 12736756051 |
11 | 5446626378 |
12 | 257561ba97 |
13 | 127c9a3056 |
14 | 88b802d35 |
15 | 4e82a39a1 |
hex | 2f72b7953 |
12736756051 has 4 divisors (see below), whose sum is σ = 12740718472. Its totient is φ = 12732793632.
The previous prime is 12736756049. The next prime is 12736756061. The reversal of 12736756051 is 15065763721.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15065763721 = 787 ⋅19143283.
It is a cyclic number.
It is not a de Polignac number, because 12736756051 - 21 = 12736756049 is a prime.
It is a super-2 number, since 2×127367560512 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12736755989 and 12736756007.
It is not an unprimeable number, because it can be changed into a prime (12736756061) 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, 1976385 + ... + 1982818.
It is an arithmetic number, because the mean of its divisors is an integer number (3185179618).
Almost surely, 212736756051 is an apocalyptic number.
12736756051 is a deficient number, since it is larger than the sum of its proper divisors (3962421).
12736756051 is an equidigital number, since it uses as much as digits as its factorization.
12736756051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3962420.
The product of its (nonzero) digits is 264600, while the sum is 43.
The spelling of 12736756051 in words is "twelve billion, seven hundred thirty-six million, seven hundred fifty-six thousand, fifty-one".
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