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80814820074 = 2379862719763
BaseRepresentation
bin100101101000011110…
…0000100101011101010
321201121010100020000020
41023100330010223222
52311002043220244
6101043102021310
75560444431222
oct1132074045352
9251533306006
1080814820074
113130094a4aa
12137b4877836
13780bba6481
143ca9081082
15217ecc1d19
hex12d0f04aea

80814820074 has 32 divisors (see below), whose sum is σ = 163702840320. Its totient is φ = 26592853872.

The previous prime is 80814820027. The next prime is 80814820117. The reversal of 80814820074 is 47002841808.

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, 4079317 + ... + 4099079.

It is an arithmetic number, because the mean of its divisors is an integer number (5115713760).

Almost surely, 280814820074 is an apocalyptic number.

80814820074 is an abundant number, since it is smaller than the sum of its proper divisors (82888020246).

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

80814820074 is a wasteful number, since it uses less digits than its factorization.

80814820074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28474.

The product of its (nonzero) digits is 114688, while the sum is 42.

The spelling of 80814820074 in words is "eighty billion, eight hundred fourteen million, eight hundred twenty thousand, seventy-four".

Divisors: 1 2 3 6 79 158 237 474 8627 17254 19763 25881 39526 51762 59289 118578 681533 1363066 1561277 2044599 3122554 4089198 4683831 9367662 170495401 340990802 511486203 1022972406 13469136679 26938273358 40407410037 80814820074