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180745488845 = 5232108974527
BaseRepresentation
bin1010100001010101000…
…1010100100111001101
3122021112110112011200122
42220111101110213031
510430131321120340
6215011111034325
716026020206655
oct2502521244715
9567473464618
10180745488845
116a721130a69
122b04336b9a5
131407621c8cc
148a68c15365
154a7cdb3db5
hex2a154549cd

180745488845 has 16 divisors (see below), whose sum is σ = 226338554880. Its totient is φ = 138301177344.

The previous prime is 180745488817. The next prime is 180745488857. The reversal of 180745488845 is 548884547081.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 180745488845 - 28 = 180745488589 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2387972 + ... + 2462498.

It is an arithmetic number, because the mean of its divisors is an integer number (14146159680).

Almost surely, 2180745488845 is an apocalyptic number.

It is an amenable number.

180745488845 is a deficient number, since it is larger than the sum of its proper divisors (45593066035).

180745488845 is a wasteful number, since it uses less digits than its factorization.

180745488845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95644.

The product of its (nonzero) digits is 45875200, while the sum is 62.

The spelling of 180745488845 in words is "one hundred eighty billion, seven hundred forty-five million, four hundred eighty-eight thousand, eight hundred forty-five".

Divisors: 1 5 23 115 21089 74527 105445 372635 485047 1714121 2425235 8570605 1571699903 7858499515 36149097769 180745488845