Search a number
-
+
860668666813 = 43131152790461
BaseRepresentation
bin11001000011000111101…
…10011010001110111101
310001021112110221100011101
430201203312122032331
5103100122134314223
61455215152253101
7116116112650444
oct14414366321675
93037473840141
10860668666813
1130200a03005a
1211a978241191
13632120c51a7
142d929957d5b
15175c45c84ad
hexc863d9a3bd

860668666813 has 8 divisors (see below), whose sum is σ = 887407003296. Its totient is φ = 834235911600.

The previous prime is 860668666807. The next prime is 860668666841. The reversal of 860668666813 is 318666866068.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-860668666813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860668466813) 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, 76389598 + ... + 76400863.

It is an arithmetic number, because the mean of its divisors is an integer number (110925875412).

Almost surely, 2860668666813 is an apocalyptic number.

It is an amenable number.

860668666813 is a deficient number, since it is larger than the sum of its proper divisors (26738336483).

860668666813 is a wasteful number, since it uses less digits than its factorization.

860668666813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152790635.

The product of its (nonzero) digits is 71663616, while the sum is 64.

The spelling of 860668666813 in words is "eight hundred sixty billion, six hundred sixty-eight million, six hundred sixty-six thousand, eight hundred thirteen".

Divisors: 1 43 131 5633 152790461 6569989823 20015550391 860668666813