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19474334605 = 511683518417
BaseRepresentation
bin10010001000110000…
…101100001110001101
31212021012101200220001
4102020300230032031
5304340412201410
612540230324301
71256410053505
oct221060541615
955235350801
1019474334605
118293832910
123935ab9691
131ab480781b
14d2a56ca05
1578ea3333a
hex488c2c38d

19474334605 has 16 divisors (see below), whose sum is σ = 25531049664. Its totient is φ = 14142388480.

The previous prime is 19474334603. The next prime is 19474334609. The reversal of 19474334605 is 50643347491.

It is not a de Polignac number, because 19474334605 - 21 = 19474334603 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 (19474334603) 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, 221644 + ... + 296773.

It is an arithmetic number, because the mean of its divisors is an integer number (1595690604).

Almost surely, 219474334605 is an apocalyptic number.

It is an amenable number.

19474334605 is a deficient number, since it is larger than the sum of its proper divisors (6056715059).

19474334605 is a wasteful number, since it uses less digits than its factorization.

19474334605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519116.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 19474334605 in words is "nineteen billion, four hundred seventy-four million, three hundred thirty-four thousand, six hundred five".

Divisors: 1 5 11 55 683 3415 7513 37565 518417 2592085 5702587 28512935 354078811 1770394055 3894866921 19474334605