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80405301184 = 261396640987
BaseRepresentation
bin100101011100010000…
…1111000011111000000
321200112120202111200221
41022320201320133000
52304132224114214
6100534312352424
75544342532465
oct1127041703700
9250476674627
1080405301184
113111077293a
12136bb6a5714
1377750b12c0
143c6a91d66c
152158d7ce24
hex12b88787c0

80405301184 has 28 divisors (see below), whose sum is σ = 171827676664. Its totient is φ = 37110138624.

The previous prime is 80405301169. The next prime is 80405301199. The reversal of 80405301184 is 48110350408.

It is an interprime number because it is at equal distance from previous prime (80405301169) and next prime (80405301199).

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, 48319662 + ... + 48321325.

It is an arithmetic number, because the mean of its divisors is an integer number (6136702738).

Almost surely, 280405301184 is an apocalyptic number.

It is an amenable number.

80405301184 is an abundant number, since it is smaller than the sum of its proper divisors (91422375480).

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

80405301184 is a wasteful number, since it uses less digits than its factorization.

80405301184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96641012 (or 96641002 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 80405301184 in words is "eighty billion, four hundred five million, three hundred one thousand, one hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 96640987 193281974 386563948 773127896 1256332831 1546255792 2512665662 3092511584 5025331324 6185023168 10050662648 20101325296 40202650592 80405301184