Search a number
-
+
808088080840 = 235116317370767
BaseRepresentation
bin10111100001001011100…
…11011001000111001000
32212020211001021211002021
423300211303121013020
5101214431022041330
61415121444014224
7112245114232435
oct13604563310710
92766731254067
10808088080840
11291787722627
12110743091374
135b28281c021
142b17c5dab8c
15160483da67a
hexbc25cd91c8

808088080840 has 32 divisors (see below), whose sum is σ = 1819761655680. Its totient is φ = 322957281472.

The previous prime is 808088080831. The next prime is 808088080843. The reversal of 808088080840 is 48080880808.

It is not an unprimeable number, because it can be changed into a prime (808088080843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8638864 + ... + 8731903.

It is an arithmetic number, because the mean of its divisors is an integer number (56867551740).

Almost surely, 2808088080840 is an apocalyptic number.

It is an amenable number.

808088080840 is an abundant number, since it is smaller than the sum of its proper divisors (1011673574840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808088080840 is a wasteful number, since it uses less digits than its factorization.

808088080840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17371941 (or 17371937 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 52.

The spelling of 808088080840 in words is "eight hundred eight billion, eighty-eight million, eighty thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1163 2326 4652 5815 9304 11630 23260 46520 17370767 34741534 69483068 86853835 138966136 173707670 347415340 694830680 20202202021 40404404042 80808808084 101011010105 161617616168 202022020210 404044040420 808088080840