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16919146419 = 371747392567
BaseRepresentation
bin11111100000111010…
…11010111110110011
31121200010100200122120
433300131122332303
5234122300141134
611434512005323
71136162241330
oct176035327663
947603320576
1016919146419
1171a246513a
123342230843
131798324656
14b67073987
15690555649
hex3f075afb3

16919146419 has 16 divisors (see below), whose sum is σ = 27298119168. Its totient is φ = 9099372672.

The previous prime is 16919146397. The next prime is 16919146421. The reversal of 16919146419 is 91464191961.

It is not a de Polignac number, because 16919146419 - 211 = 16919144371 is a prime.

It is a super-2 number, since 2×169191464192 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (16919146459) 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, 23695927 + ... + 23696640.

It is an arithmetic number, because the mean of its divisors is an integer number (1706132448).

Almost surely, 216919146419 is an apocalyptic number.

16919146419 is a deficient number, since it is larger than the sum of its proper divisors (10378972749).

16919146419 is a wasteful number, since it uses less digits than its factorization.

16919146419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47392594.

The product of its digits is 419904, while the sum is 51.

The spelling of 16919146419 in words is "sixteen billion, nine hundred nineteen million, one hundred forty-six thousand, four hundred nineteen".

Divisors: 1 3 7 17 21 51 119 357 47392567 142177701 331747969 805673639 995243907 2417020917 5639715473 16919146419