Base | Representation |
---|---|
bin | 10111100100010101… |
… | …00000011101000101 |
3 | 1012122210102120122002 |
4 | 23302022200131011 |
5 | 201403102301422 |
6 | 5451304515045 |
7 | 625355546354 |
oct | 136212403505 |
9 | 35583376562 |
10 | 12652775237 |
11 | 5403186343 |
12 | 255147ba85 |
13 | 126847aa6b |
14 | 8805c199b |
15 | 4e0c15692 |
hex | 2f22a0745 |
12652775237 has 4 divisors (see below), whose sum is σ = 12678132000. Its totient is φ = 12627418476.
The previous prime is 12652775227. The next prime is 12652775287. The reversal of 12652775237 is 73257725621.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73257725621 = 119783 ⋅611587.
It is a cyclic number.
It is not a de Polignac number, because 12652775237 - 26 = 12652775173 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12652775191 and 12652775200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12652775227) 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, 12677633 + ... + 12678630.
It is an arithmetic number, because the mean of its divisors is an integer number (3169533000).
Almost surely, 212652775237 is an apocalyptic number.
It is an amenable number.
12652775237 is a deficient number, since it is larger than the sum of its proper divisors (25356763).
12652775237 is an equidigital number, since it uses as much as digits as its factorization.
12652775237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25356762.
The product of its digits is 1234800, while the sum is 47.
The spelling of 12652775237 in words is "twelve billion, six hundred fifty-two million, seven hundred seventy-five thousand, two hundred thirty-seven".
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