Search a number
-
+
85860026861 = 719336345431
BaseRepresentation
bin100111111110110101…
…0000000100111101101
322012121201210021121212
41033331222000213231
52401320131324421
6103235450204205
76126456121010
oct1177552004755
9265551707555
1085860026861
113345a823a94
1214782423665
13813420282b
14422714d377
152377ba7e5b
hex13fda809ed

85860026861 has 8 divisors (see below), whose sum is σ = 98176523904. Its totient is φ = 73556224560.

The previous prime is 85860026851. The next prime is 85860026891. The reversal of 85860026861 is 16862006858.

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

It is not a de Polignac number, because 85860026861 - 26 = 85860026797 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 (85860026851) 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, 3159185 + ... + 3186246.

It is an arithmetic number, because the mean of its divisors is an integer number (12272065488).

Almost surely, 285860026861 is an apocalyptic number.

It is an amenable number.

85860026861 is a deficient number, since it is larger than the sum of its proper divisors (12316497043).

85860026861 is a wasteful number, since it uses less digits than its factorization.

85860026861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347371.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 85860026861 in words is "eighty-five billion, eight hundred sixty million, twenty-six thousand, eight hundred sixty-one".

Divisors: 1 7 1933 13531 6345431 44418017 12265718123 85860026861