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80608862890 = 258060886289
BaseRepresentation
bin100101100010010101…
…0011010001010101010
321201001202210111212101
41023010222122022222
52310041332103030
6101010423404014
75552364013033
oct1130452321252
9251052714771
1080608862890
1131205668856
12137578b360a
1377a831480a
143c8998ba8a
15216bb8c7ca
hex12c4a9a2aa

80608862890 has 8 divisors (see below), whose sum is σ = 145095953220. Its totient is φ = 32243545152.

The previous prime is 80608862837. The next prime is 80608862911. The reversal of 80608862890 is 9826880608.

It is a Cunningham number, because it is equal to 2839172+1.

It can be written as a sum of positive squares in 2 ways, for example, as 80608862889 + 1 = 283917^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4030443135 + ... + 4030443154.

Almost surely, 280608862890 is an apocalyptic number.

80608862890 is a deficient number, since it is larger than the sum of its proper divisors (64487090330).

80608862890 is a wasteful number, since it uses less digits than its factorization.

80608862890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060886296.

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 80608862890 in words is "eighty billion, six hundred eight million, eight hundred sixty-two thousand, eight hundred ninety".

Divisors: 1 2 5 10 8060886289 16121772578 40304431445 80608862890