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16000872880 = 245200010911
BaseRepresentation
bin11101110011011100…
…11111000110110000
31112022010110120011111
432321232133012300
5230232210413010
611203430123104
71104342114106
oct167156370660
945263416144
1016000872880
116871091693
1231267b0494
131680000625
14abb11bc76
15639b1958a
hex3b9b9f1b0

16000872880 has 20 divisors (see below), whose sum is σ = 37202029632. Its totient is φ = 6400349120.

The previous prime is 16000872869. The next prime is 16000872919. The reversal of 16000872880 is 8827800061.

It is a tau number, because it is divible by the number of its divisors (20).

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

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, 100005376 + ... + 100005535.

Almost surely, 216000872880 is an apocalyptic number.

16000872880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16000872880 is an abundant number, since it is smaller than the sum of its proper divisors (21201156752).

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

16000872880 is a wasteful number, since it uses less digits than its factorization.

16000872880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200010924 (or 200010918 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 16000872880 in words is "sixteen billion, eight hundred seventy-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 200010911 400021822 800043644 1000054555 1600087288 2000109110 3200174576 4000218220 8000436440 16000872880