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80098977828 = 2236674914819
BaseRepresentation
bin100101010011001000…
…1010110100000100100
321122202020100200001110
41022212101112200210
52303020314242303
6100444051025020
75533633035462
oct1124621264044
9248666320043
1080098977828
1130a7386a641
1213634b9b170
1377267ab28c
143c3bd81832
15213c020703
hex12a6456824

80098977828 has 12 divisors (see below), whose sum is σ = 186897614960. Its totient is φ = 26699659272.

The previous prime is 80098977823. The next prime is 80098977859. The reversal of 80098977828 is 82877989008.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (80098977823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337457398 + ... + 3337457421.

Almost surely, 280098977828 is an apocalyptic number.

It is an amenable number.

80098977828 is an abundant number, since it is smaller than the sum of its proper divisors (106798637132).

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

80098977828 is a wasteful number, since it uses less digits than its factorization.

80098977828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674914826 (or 6674914824 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 66.

The spelling of 80098977828 in words is "eighty billion, ninety-eight million, nine hundred seventy-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 6674914819 13349829638 20024744457 26699659276 40049488914 80098977828