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180117148084 = 22139969321709
BaseRepresentation
bin1010011110111111010…
…0011001000110110100
3122012220200012011012121
42213233310121012310
510422334442214314
6214424503325324
716004320332466
oct2475764310664
9565820164177
10180117148084
116a429486285
122aaa8a50844
1313ca5cb0343
148a095b2136
154a42b48d24
hex29efd191b4

180117148084 has 12 divisors (see below), whose sum is σ = 315208240900. Its totient is φ = 90057650688.

The previous prime is 180117148067. The next prime is 180117148097. The reversal of 180117148084 is 480841711081.

It can be written as a sum of positive squares in 2 ways, for example, as 58553352484 + 121563795600 = 241978^2 + 348660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 180117148084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399022 + ... + 720730.

Almost surely, 2180117148084 is an apocalyptic number.

It is an amenable number.

180117148084 is a deficient number, since it is larger than the sum of its proper divisors (135091092816).

180117148084 is a wasteful number, since it uses less digits than its factorization.

180117148084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461682 (or 461680 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 43.

The spelling of 180117148084 in words is "one hundred eighty billion, one hundred seventeen million, one hundred forty-eight thousand, eighty-four".

Divisors: 1 2 4 139969 279938 321709 559876 643418 1286836 45029287021 90058574042 180117148084