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2885108080 = 245172121403
BaseRepresentation
bin1010101111110111…
…0100000101110000
321110001211200020211
42223331310011300
521402041424310
61154141513504
7131332004551
oct25375640560
97401750224
102885108080
111250628448
12686272894
1336c95865a
141d525a328
1511d44bc8a
hexabf74170

2885108080 has 40 divisors (see below), whose sum is σ = 7102460592. Its totient is φ = 1086157824.

The previous prime is 2885108069. The next prime is 2885108099. The reversal of 2885108080 is 808015882.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059342 + ... + 1062061.

Almost surely, 22885108080 is an apocalyptic number.

2885108080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2885108080 is an abundant number, since it is smaller than the sum of its proper divisors (4217352512).

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

2885108080 is a wasteful number, since it uses less digits than its factorization.

2885108080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121433 (or 2121427 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 40.

The square root of 2885108080 is about 53713.2021015318. The cubic root of 2885108080 is about 1423.5979775570.

The spelling of 2885108080 in words is "two billion, eight hundred eighty-five million, one hundred eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 2121403 4242806 8485612 10607015 16971224 21214030 33942448 36063851 42428060 72127702 84856120 144255404 169712240 180319255 288510808 360638510 577021616 721277020 1442554040 2885108080