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972055035009 = 321091051394253
BaseRepresentation
bin11100010010100101111…
…11101011110010000001
310102221001012001010011200
432021102333223302001
5111411232042110014
62022320024531413
7130141300316622
oct16112277536201
93387035033150
10972055035009
113452787a9103
12138483320b69
13708838a9bb6
1435094d01a49
151a443271a09
hexe252febc81

972055035009 has 24 divisors (see below), whose sum is σ = 1417110775080. Its totient is φ = 642023511552.

The previous prime is 972055035001. The next prime is 972055035019. The reversal of 972055035009 is 900530550279.

972055035009 is a `hidden beast` number, since 97 + 2 + 0 + 5 + 50 + 3 + 500 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 218799417600 + 753255617409 = 467760^2 + 867903^2 .

It is not a de Polignac number, because 972055035009 - 23 = 972055035001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (972055035001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10266127 + ... + 10360379.

It is an arithmetic number, because the mean of its divisors is an integer number (59046282295).

Almost surely, 2972055035009 is an apocalyptic number.

It is an amenable number.

972055035009 is a deficient number, since it is larger than the sum of its proper divisors (445055740071).

972055035009 is a wasteful number, since it uses less digits than its factorization.

972055035009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104881 (or 104878 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 45.

The spelling of 972055035009 in words is "nine hundred seventy-two billion, fifty-five million, thirty-five thousand, nine".

Divisors: 1 3 9 109 327 981 10513 31539 94253 94617 282759 848277 1145917 3437751 10273577 10313253 30820731 92462193 990881789 2972645367 8917936101 108006115001 324018345003 972055035009