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80880880948 = 2272888602891
BaseRepresentation
bin100101101010011100…
…0000100110100110100
321201202201122110111021
41023110320010310310
52311121001142243
6101053421550524
75562206100430
oct1132470046464
9251681573437
1080880880948
113133516aa6a
1213812a15444
13781c79604a
143cb3b599c0
1521859c06ed
hex12d4e04d34

80880880948 has 12 divisors (see below), whose sum is σ = 161761761952. Its totient is φ = 34663234680.

The previous prime is 80880880937. The next prime is 80880880957. The reversal of 80880880948 is 84908808808.

80880880948 is an admirable number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

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, 1444301418 + ... + 1444301473.

Almost surely, 280880880948 is an apocalyptic number.

It is an amenable number.

80880880948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80880880948 is a wasteful number, since it uses less digits than its factorization.

80880880948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888602902 (or 2888602900 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 61.

The spelling of 80880880948 in words is "eighty billion, eight hundred eighty million, eight hundred eighty thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 2888602891 5777205782 11554411564 20220220237 40440440474 80880880948