Search a number
-
+
55424312510515 = 51317915433087223
BaseRepresentation
bin11001001101000011110100…
…11101011000100000110011
321021020111211122010021002021
430212201322131120200303
524231032443000314030
6313513324435332311
714450163063131164
oct1446417235304063
9237214748107067
1055424312510515
1116729356559a43
12627172a151097
1324c064b0acb70
14d987a009b76b
15661aa83eb97a
hex32687a758833

55424312510515 has 32 divisors (see below), whose sum is σ = 72072108702720. Its totient is φ = 40673680592256.

The previous prime is 55424312510507. The next prime is 55424312510531. The reversal of 55424312510515 is 51501521342455.

It is a cyclic number.

It is not a de Polignac number, because 55424312510515 - 23 = 55424312510507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16409194 + ... + 19496416.

It is an arithmetic number, because the mean of its divisors is an integer number (2252253396960).

Almost surely, 255424312510515 is an apocalyptic number.

55424312510515 is a deficient number, since it is larger than the sum of its proper divisors (16647796192205).

55424312510515 is a wasteful number, since it uses less digits than its factorization.

55424312510515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088963.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 55424312510515 in words is "fifty-five trillion, four hundred twenty-four billion, three hundred twelve million, five hundred ten thousand, five hundred fifteen".

Divisors: 1 5 13 65 179 895 1543 2327 7715 11635 20059 100295 276197 1380985 3087223 3590561 15436115 17952805 40133899 200669495 552612917 2763064585 4763585089 7183967921 23817925445 35919839605 61926606157 309633030785 852681730931 4263408654655 11084862502103 55424312510515