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80072935858 = 2223491791421
BaseRepresentation
bin100101010010010111…
…0000000100110110010
321122200102100121012001
41022210232000212302
52302442132421413
6100441320524214
75533165503406
oct1124456004662
9248612317161
1080072935858
1130a600a2953
121362832066a
137721290a26
143c38723106
152139ac94dd
hex12a4b809b2

80072935858 has 8 divisors (see below), whose sum is σ = 120114845100. Its totient is φ = 40034654160.

The previous prime is 80072935847. The next prime is 80072935907. The reversal of 80072935858 is 85853927008.

It can be written as a sum of positive squares in 2 ways, for example, as 75727884969 + 4345050889 = 275187^2 + 65917^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 80072935799 and 80072935808.

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, 851013 + ... + 940408.

Almost surely, 280072935858 is an apocalyptic number.

80072935858 is a deficient number, since it is larger than the sum of its proper divisors (40041909242).

80072935858 is a wasteful number, since it uses less digits than its factorization.

80072935858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813772.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 80072935858 in words is "eighty billion, seventy-two million, nine hundred thirty-five thousand, eight hundred fifty-eight".

Divisors: 1 2 22349 44698 1791421 3582842 40036467929 80072935858