Search a number
-
+
12700396069 is a prime number
BaseRepresentation
bin10111101010000000…
…01010101000100101
31012210010000222010121
423311000022220211
5202002300133234
65500125321541
7626504404534
oct136500125045
935703028117
1012700396069
1154280515a9
1225654062b1
1312752b227a
14886a5a31b
154e4ec04b4
hex2f500aa25

12700396069 has 2 divisors, whose sum is σ = 12700396070. Its totient is φ = 12700396068.

The previous prime is 12700396003. The next prime is 12700396133. The reversal of 12700396069 is 96069300721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11830912900 + 869483169 = 108770^2 + 29487^2 .

It is a cyclic number.

It is not a de Polignac number, because 12700396069 - 27 = 12700395941 is a prime.

It is a super-2 number, since 2×127003960692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12700391069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350198034 + 6350198035.

It is an arithmetic number, because the mean of its divisors is an integer number (6350198035).

Almost surely, 212700396069 is an apocalyptic number.

It is an amenable number.

12700396069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12700396069 is an equidigital number, since it uses as much as digits as its factorization.

12700396069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 12700396069 in words is "twelve billion, seven hundred million, three hundred ninety-six thousand, sixty-nine".