Search a number
-
+
86731022737 = 317393785893
BaseRepresentation
bin101000011000110010…
…0100110000110010001
322021212102201110100101
41100301210212012101
52410111120211422
6103502122452401
76160163346412
oct1206144460621
9267772643311
1086731022737
1133867446097
1214986064101
1382427b25c8
1442aaab9809
1523c93a5c27
hex1431926191

86731022737 has 8 divisors (see below), whose sum is σ = 89649969920. Its totient is φ = 83819648880.

The previous prime is 86731022731. The next prime is 86731022743. The reversal of 86731022737 is 73722013768.

It is an interprime number because it is at equal distance from previous prime (86731022731) and next prime (86731022743).

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-86731022737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86731022731) 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, 1870038 + ... + 1915855.

It is an arithmetic number, because the mean of its divisors is an integer number (11206246240).

Almost surely, 286731022737 is an apocalyptic number.

It is an amenable number.

86731022737 is a deficient number, since it is larger than the sum of its proper divisors (2918947183).

86731022737 is a wasteful number, since it uses less digits than its factorization.

86731022737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786663.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 86731022737 in words is "eighty-six billion, seven hundred thirty-one million, twenty-two thousand, seven hundred thirty-seven".

Divisors: 1 31 739 22909 3785893 117362683 2797774927 86731022737