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80080080884 = 2220020020221
BaseRepresentation
bin100101010010100100…
…1010000111111110100
321122200220210121022122
41022211021100333310
52303001000042014
6100442134015112
75533313312366
oct1124511207764
9248626717278
1080080080884
1130a64133031
121362a7a7498
1377228c2c5b
143c39662d36
15213a53b58e
hex12a5250ff4

80080080884 has 6 divisors (see below), whose sum is σ = 140140141554. Its totient is φ = 40040040440.

The previous prime is 80080080863. The next prime is 80080080901. The reversal of 80080080884 is 48808008008.

It can be written as a sum of positive squares in only one way, i.e., 79665062500 + 415018384 = 282250^2 + 20372^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010010107 + ... + 10010010114.

It is an arithmetic number, because the mean of its divisors is an integer number (23356690259).

Almost surely, 280080080884 is an apocalyptic number.

It is an amenable number.

80080080884 is a deficient number, since it is larger than the sum of its proper divisors (60060060670).

80080080884 is a wasteful number, since it uses less digits than its factorization.

80080080884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020020225 (or 20020020223 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 44.

The spelling of 80080080884 in words is "eighty billion, eighty million, eighty thousand, eight hundred eighty-four".

Divisors: 1 2 4 20020020221 40040040442 80080080884