Search a number
-
+
12704362553 is a prime number
BaseRepresentation
bin10111101010011110…
…10011000000111001
31012210101111111010102
423311033103000321
5202004304100203
65500350325145
7626553204611
oct136517230071
935711444112
1012704362553
11542a310693
1225667b97b5
1312760707bc
148873ada41
154e5505888
hex2f53d3039

12704362553 has 2 divisors, whose sum is σ = 12704362554. Its totient is φ = 12704362552.

The previous prime is 12704362549. The next prime is 12704362603. The reversal of 12704362553 is 35526340721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11289700009 + 1414662544 = 106253^2 + 37612^2 .

It is a cyclic number.

It is not a de Polignac number, because 12704362553 - 22 = 12704362549 is a prime.

It is a super-2 number, since 2×127043625532 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12704362523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352181276 + 6352181277.

It is an arithmetic number, because the mean of its divisors is an integer number (6352181277).

Almost surely, 212704362553 is an apocalyptic number.

It is an amenable number.

12704362553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704362553 is an equidigital number, since it uses as much as digits as its factorization.

12704362553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 12704362553 in words is "twelve billion, seven hundred four million, three hundred sixty-two thousand, five hundred fifty-three".