Search a number
-
+
712910181131 = 5912083223409
BaseRepresentation
bin10100101111111001100…
…00100001001100001011
32112011010221021112212122
422113330300201030023
543140020001244011
61303301215201455
7102335402361401
oct12277460411413
92464127245778
10712910181131
11255386236885
12b620021628b
13522c5051285
142670db6d471
15138276b63db
hexa5fcc2130b

712910181131 has 4 divisors (see below), whose sum is σ = 724993404600. Its totient is φ = 700826957664.

The previous prime is 712910181041. The next prime is 712910181133. The reversal of 712910181131 is 131181019217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 712910181131 - 210 = 712910180107 is a prime.

It is a super-2 number, since 2×7129101811312 (a number of 25 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 = 712910181091 and 712910181100.

It is not an unprimeable number, because it can be changed into a prime (712910181133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6041611646 + ... + 6041611763.

It is an arithmetic number, because the mean of its divisors is an integer number (181248351150).

Almost surely, 2712910181131 is an apocalyptic number.

712910181131 is a deficient number, since it is larger than the sum of its proper divisors (12083223469).

712910181131 is a wasteful number, since it uses less digits than its factorization.

712910181131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12083223468.

The product of its (nonzero) digits is 3024, while the sum is 35.

The spelling of 712910181131 in words is "seven hundred twelve billion, nine hundred ten million, one hundred eighty-one thousand, one hundred thirty-one".

Divisors: 1 59 12083223409 712910181131