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2717171980 = 225135858599
BaseRepresentation
bin1010000111110100…
…1100000100001100
321000100211122020021
42201331030010030
521031044000410
61125342231524
7124222403125
oct24175140414
97010748207
102717171980
111174855586
12639b855a4
13343c19893
141bac2304c
1510d827eda
hexa1f4c10c

2717171980 has 12 divisors (see below), whose sum is σ = 5706061200. Its totient is φ = 1086868784.

The previous prime is 2717171971. The next prime is 2717172011. The reversal of 2717171980 is 891717172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67929280 + ... + 67929319.

It is an arithmetic number, because the mean of its divisors is an integer number (475505100).

Almost surely, 22717171980 is an apocalyptic number.

2717171980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2717171980 is an abundant number, since it is smaller than the sum of its proper divisors (2988889220).

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

2717171980 is a wasteful number, since it uses less digits than its factorization.

2717171980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135858608 (or 135858606 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 43.

The square root of 2717171980 is about 52126.4997865769. The cubic root of 2717171980 is about 1395.4224608307.

The spelling of 2717171980 in words is "two billion, seven hundred seventeen million, one hundred seventy-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 135858599 271717198 543434396 679292995 1358585990 2717171980