Search a number
-
+
86951532639 = 3113172561089
BaseRepresentation
bin101000011111010110…
…1110001100001011111
322022102210122112001210
41100332231301201133
52411034043021024
6103540041035503
76165511555416
oct1207655614137
9268383575053
1086951532639
113396a967484
1214a27a85b93
13827939b13a
1442cc0ba47d
1523dd912129
hex143eb7185f

86951532639 has 8 divisors (see below), whose sum is σ = 115945666480. Its totient is φ = 57962543616.

The previous prime is 86951532631. The next prime is 86951532659. The reversal of 86951532639 is 93623515968.

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

It is not a de Polignac number, because 86951532639 - 23 = 86951532631 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 (86951532631) 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, 1246594 + ... + 1314495.

It is an arithmetic number, because the mean of its divisors is an integer number (14493208310).

Almost surely, 286951532639 is an apocalyptic number.

86951532639 is a deficient number, since it is larger than the sum of its proper divisors (28994133841).

86951532639 is a wasteful number, since it uses less digits than its factorization.

86951532639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572409.

The product of its digits is 10497600, while the sum is 57.

The spelling of 86951532639 in words is "eighty-six billion, nine hundred fifty-one million, five hundred thirty-two thousand, six hundred thirty-nine".

Divisors: 1 3 11317 33951 2561089 7683267 28983844213 86951532639