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80047989144 = 23321601694427
BaseRepresentation
bin100101010001100111…
…0110110000110011000
321122121200102011201200
41022203032312012120
52302414241123034
6100435030114200
75532443452434
oct1124316660630
9248550364650
1080047989144
1130a48004032
121361baab960
137719067b66
143c352ab9c4
1521377eca99
hex12a33b6198

80047989144 has 48 divisors (see below), whose sum is σ = 216932362920. Its totient is φ = 26665958400.

The previous prime is 80047989079. The next prime is 80047989163. The reversal of 80047989144 is 44198974008.

80047989144 is a `hidden beast` number, since 80 + 0 + 479 + 8 + 91 + 4 + 4 = 666.

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 11 ways as a sum of consecutive naturals, for example, 231942 + ... + 462485.

Almost surely, 280047989144 is an apocalyptic number.

It is an amenable number.

80047989144 is an abundant number, since it is smaller than the sum of its proper divisors (136884373776).

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

80047989144 is a wasteful number, since it uses less digits than its factorization.

80047989144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696040 (or 696033 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 80047989144 in words is "eighty billion, forty-seven million, nine hundred eighty-nine thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1601 3202 4803 6404 9606 12808 14409 19212 28818 38424 57636 115272 694427 1388854 2083281 2777708 4166562 5555416 6249843 8333124 12499686 16666248 24999372 49998744 1111777627 2223555254 3335332881 4447110508 6670665762 8894221016 10005998643 13341331524 20011997286 26682663048 40023994572 80047989144