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19794895652 = 227706960559
BaseRepresentation
bin10010011011110111…
…100010001100100100
31220002112120212222102
4102123313202030210
5311014443130102
613032121151232
71300351560020
oct223367421444
956075525872
1019794895652
1184387800a4
123a0532b518
131b3605420c
14d5ad75380
157acc54402
hex49bde2324

19794895652 has 12 divisors (see below), whose sum is σ = 39589791360. Its totient is φ = 8483526696.

The previous prime is 19794895649. The next prime is 19794895663. The reversal of 19794895652 is 25659849791.

19794895652 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353480252 + ... + 353480307.

It is an arithmetic number, because the mean of its divisors is an integer number (3299149280).

Almost surely, 219794895652 is an apocalyptic number.

It is an amenable number.

19794895652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19794895652 is a wasteful number, since it uses less digits than its factorization.

19794895652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706960570 (or 706960568 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 65.

The spelling of 19794895652 in words is "nineteen billion, seven hundred ninety-four million, eight hundred ninety-five thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 706960559 1413921118 2827842236 4948723913 9897447826 19794895652