Search a number
-
+
844052082920 = 235149141619477
BaseRepresentation
bin11000100100001010110…
…11001011000011101000
32222200122102220102021022
430102011123023003220
5102312104313123140
61443430245232012
7114660253220444
oct14220533130350
92880572812238
10844052082920
112a5a6243a6a2
121176bb402608
1361794687b27
142cbd0b63824
1516e508db0b5
hexc4856cb0e8

844052082920 has 32 divisors (see below), whose sum is σ = 1911862953000. Its totient is φ = 335354919168.

The previous prime is 844052082883. The next prime is 844052082971. The reversal of 844052082920 is 29280250448.

It can be written as a sum of positive squares in 4 ways, for example, as 211782199204 + 632269883716 = 460198^2 + 795154^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70803779 + ... + 70815698.

Almost surely, 2844052082920 is an apocalyptic number.

It is an amenable number.

844052082920 is an abundant number, since it is smaller than the sum of its proper divisors (1067810870080).

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

844052082920 is a wasteful number, since it uses less digits than its factorization.

844052082920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141619637 (or 141619633 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 844052082920 in words is "eight hundred forty-four billion, fifty-two million, eighty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 149 298 596 745 1192 1490 2980 5960 141619477 283238954 566477908 708097385 1132955816 1416194770 2832389540 5664779080 21101302073 42202604146 84405208292 105506510365 168810416584 211013020730 422026041460 844052082920