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80946533124 = 223217132265577
BaseRepresentation
bin100101101100011001…
…0100001001100000100
321201221022011221100100
41023120302201030010
52311234303024444
6101104125044100
75563634115252
oct1133062411404
9251838157310
1080946533124
1131369231466
12138309b6630
1378302718a2
143cbc7695d2
15218b63ce69
hex12d8ca1304

80946533124 has 36 divisors (see below), whose sum is σ = 216651016764. Its totient is φ = 25394990592.

The previous prime is 80946533111. The next prime is 80946533147. The reversal of 80946533124 is 42133564908.

80946533124 is a `hidden beast` number, since 8 + 0 + 94 + 6 + 533 + 1 + 24 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37261353024 + 43685180100 = 193032^2 + 209010^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 80946533124.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66132177 + ... + 66133400.

It is an arithmetic number, because the mean of its divisors is an integer number (6018083799).

Almost surely, 280946533124 is an apocalyptic number.

It is an amenable number.

80946533124 is an abundant number, since it is smaller than the sum of its proper divisors (135704483640).

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

80946533124 is a wasteful number, since it uses less digits than its factorization.

80946533124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132265604 (or 132265599 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 80946533124 in words is "eighty billion, nine hundred forty-six million, five hundred thirty-three thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 132265577 264531154 396796731 529062308 793593462 1190390193 1587186924 2248514809 2380780386 4497029618 4761560772 6745544427 8994059236 13491088854 20236633281 26982177708 40473266562 80946533124