Search a number
-
+
64017690413 = 193791063571
BaseRepresentation
bin111011100111110000…
…000110111100101101
320010020111120121212212
4323213300012330231
52022102012043123
645224225140205
74424263250555
oct734760067455
9203214517785
1064017690413
1125171354366
12104a748a665
136062c339b1
1431542d0165
1519ea31e878
hexee7c06f2d

64017690413 has 8 divisors (see below), whose sum is σ = 69208314720. Its totient is φ = 59009193360.

The previous prime is 64017690409. The next prime is 64017690437. The reversal of 64017690413 is 31409671046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64017690413 - 22 = 64017690409 is a prime.

It is a super-2 number, since 2×640176904132 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64017698413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45531083 + ... + 45532488.

It is an arithmetic number, because the mean of its divisors is an integer number (8651039340).

Almost surely, 264017690413 is an apocalyptic number.

It is an amenable number.

64017690413 is a deficient number, since it is larger than the sum of its proper divisors (5190624307).

64017690413 is a wasteful number, since it uses less digits than its factorization.

64017690413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91063627.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 64017690413 in words is "sixty-four billion, seventeen million, six hundred ninety thousand, four hundred thirteen".

Divisors: 1 19 37 703 91063571 1730207849 3369352127 64017690413