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16920426201 = 372604130941
BaseRepresentation
bin11111100001000100…
…10011011011011001
31121200012202201011220
433300202103123121
5234123112114301
611434555242253
71136206151430
oct176042233331
947605681156
1016920426201
1171a3159708
123342749389
131798682013
14b672c8117
15690709936
hex3f08936d9

16920426201 has 16 divisors (see below), whose sum is σ = 25785330048. Its totient is φ = 9668131200.

The previous prime is 16920426197. The next prime is 16920426221. The reversal of 16920426201 is 10262402961.

It is not a de Polignac number, because 16920426201 - 22 = 16920426197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16920426221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531391 + ... + 562331.

It is an arithmetic number, because the mean of its divisors is an integer number (1611583128).

Almost surely, 216920426201 is an apocalyptic number.

It is an amenable number.

16920426201 is a deficient number, since it is larger than the sum of its proper divisors (8864903847).

16920426201 is a wasteful number, since it uses less digits than its factorization.

16920426201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56992.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 16920426201 in words is "sixteen billion, nine hundred twenty million, four hundred twenty-six thousand, two hundred one".

Divisors: 1 3 7 21 26041 30941 78123 92823 182287 216587 546861 649761 805734581 2417203743 5640142067 16920426201