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16001431299 = 327253990973
BaseRepresentation
bin11101110011100001…
…00111011100000011
31112022011111221011200
432321300213130003
5230232331300144
611203450112243
71104346631130
oct167160473403
945264457150
1016001431299
116871433197
123126a1b683
131680167859
14abb225587
15639bc9c69
hex3b9c27703

16001431299 has 12 divisors (see below), whose sum is σ = 26415061296. Its totient is φ = 9143674992.

The previous prime is 16001431289. The next prime is 16001431319. The reversal of 16001431299 is 99213410061.

It is a happy number.

16001431299 is a `hidden beast` number, since 1 + 600 + 1 + 43 + 1 + 2 + 9 + 9 = 666.

It is not a de Polignac number, because 16001431299 - 24 = 16001431283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16001431249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126995424 + ... + 126995549.

It is an arithmetic number, because the mean of its divisors is an integer number (2201255108).

Almost surely, 216001431299 is an apocalyptic number.

16001431299 is a deficient number, since it is larger than the sum of its proper divisors (10413629997).

16001431299 is a wasteful number, since it uses less digits than its factorization.

16001431299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253990986 (or 253990983 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 16001431299 in words is "sixteen billion, one million, four hundred thirty-one thousand, two hundred ninety-nine".

Divisors: 1 3 7 9 21 63 253990973 761972919 1777936811 2285918757 5333810433 16001431299