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16922471239 = 192931990719
BaseRepresentation
bin11111100001010100…
…00110101101000111
31121200100121121110001
433300222012231013
5234124123034424
611435111142131
71136232426562
oct176052065507
947610547401
1016922471239
1171a4326123
123343374947
131798c19abb
14b6769b4d9
156909b0844
hex3f0a86b47

16922471239 has 16 divisors (see below), whose sum is σ = 19021824000. Its totient is φ = 14979656160.

The previous prime is 16922471227. The next prime is 16922471261. The reversal of 16922471239 is 93217422961.

It is a cyclic number.

It is not a de Polignac number, because 16922471239 - 221 = 16920374087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16922471339) 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, 478279 + ... + 512440.

It is an arithmetic number, because the mean of its divisors is an integer number (1188864000).

Almost surely, 216922471239 is an apocalyptic number.

16922471239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16922471239 is a deficient number, since it is larger than the sum of its proper divisors (2099352761).

16922471239 is a wasteful number, since it uses less digits than its factorization.

16922471239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990798.

The product of its digits is 326592, while the sum is 46.

The spelling of 16922471239 in words is "sixteen billion, nine hundred twenty-two million, four hundred seventy-one thousand, two hundred thirty-nine".

Divisors: 1 19 29 31 551 589 899 17081 990719 18823661 28730851 30712289 545886169 583533491 890656381 16922471239