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17630142642 = 234715546863
BaseRepresentation
bin10000011010110101…
…101010000010110010
31200111200020001010000
4100122311222002302
5242101304031032
612033231050430
71162614511530
oct203265520262
950450201100
1017630142642
117527835122
123500370a16
13187c713b88
14bd3671150
156d2b9ae7c
hex41ad6a0b2

17630142642 has 40 divisors (see below), whose sum is σ = 45148093056. Its totient is φ = 5037183288.

The previous prime is 17630142623. The next prime is 17630142659. The reversal of 17630142642 is 24624103671.

17630142642 is a `hidden beast` number, since 1 + 7 + 6 + 3 + 0 + 1 + 4 + 2 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 17630142597 and 17630142606.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7772298 + ... + 7774565.

Almost surely, 217630142642 is an apocalyptic number.

17630142642 is an abundant number, since it is smaller than the sum of its proper divisors (27517950414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17630142642 is a wasteful number, since it uses less digits than its factorization.

17630142642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15546884 (or 15546875 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 17630142642 in words is "seventeen billion, six hundred thirty million, one hundred forty-two thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 15546863 31093726 46640589 93281178 108828041 139921767 217656082 279843534 326484123 419765301 652968246 839530602 979452369 1259295903 1958904738 2518591806 2938357107 5876714214 8815071321 17630142642