Search a number
-
+
72086626787992 = 2318474878629317
BaseRepresentation
bin10000011000111111111001…
…110010000110001010011000
3100110020102011222001101220221
4100120333321302012022120
533422031402424203432
6413152050021125424
721120041545500235
oct2030777162061230
9313212158041827
1072086626787992
1120a72848588983
128102a55559874
13312b9802864bb
1413b302321a78c
15850212b39b97
hex418ff9c86298

72086626787992 has 16 divisors (see below), whose sum is σ = 135235604694960. Its totient is φ = 36023798869344.

The previous prime is 72086626787963. The next prime is 72086626787993. The reversal of 72086626787992 is 29978762668027.

It is a super-3 number, since 3×720866267879923 (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72086626787993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439299883 + ... + 2439329434.

It is an arithmetic number, because the mean of its divisors is an integer number (8452225293435).

Almost surely, 272086626787992 is an apocalyptic number.

It is an amenable number.

72086626787992 is a deficient number, since it is larger than the sum of its proper divisors (63148977906968).

72086626787992 is a wasteful number, since it uses less digits than its factorization.

72086626787992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878631170 (or 4878631166 counting only the distinct ones).

The product of its (nonzero) digits is 3072577536, while the sum is 79.

The spelling of 72086626787992 in words is "seventy-two trillion, eighty-six billion, six hundred twenty-six million, seven hundred eighty-seven thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 1847 3694 7388 14776 4878629317 9757258634 19514517268 39029034536 9010828348499 18021656696998 36043313393996 72086626787992