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80880080888 = 23232939149563
BaseRepresentation
bin100101101010011010…
…1000001011111111000
321201202200010211000102
41023110311001133320
52311120300042023
6101053352454532
75562166226045
oct1132465013770
9251680124012
1080880080888
1131334773962
12138126aa448
13781c575b39
143cb39cc1cc
1521858b3628
hex12d4d417f8

80880080888 has 32 divisors (see below), whose sum is σ = 158298537600. Its totient is φ = 38668357728.

The previous prime is 80880080863. The next prime is 80880080933. The reversal of 80880080888 is 88808008808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465995 + ... + 615557.

It is an arithmetic number, because the mean of its divisors is an integer number (4946829300).

Almost surely, 280880080888 is an apocalyptic number.

It is an amenable number.

80880080888 is a deficient number, since it is larger than the sum of its proper divisors (77418456712).

80880080888 is a wasteful number, since it uses less digits than its factorization.

80880080888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152531 (or 152527 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 56.

The spelling of 80880080888 in words is "eighty billion, eight hundred eighty million, eighty thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 23 46 92 184 2939 5878 11756 23512 67597 135194 149563 270388 299126 540776 598252 1196504 3439949 6879898 13759796 27519592 439565657 879131314 1758262628 3516525256 10110010111 20220020222 40440040444 80880080888