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1933401612 = 223161116801
BaseRepresentation
bin111001100111101…
…0101111000001100
311222202000222102010
41303033111320030
512424422322422
6515503301220
765624433252
oct16317257014
94882028363
101933401612
1190239a27a
1245b5aa810
1324a729c2c
14144ac05d2
15b4b09b0c
hex733d5e0c

1933401612 has 12 divisors (see below), whose sum is σ = 4511270456. Its totient is φ = 644467200.

The previous prime is 1933401611. The next prime is 1933401623. The reversal of 1933401612 is 2161043391.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1933401612.

It is not an unprimeable number, because it can be changed into a prime (1933401611) by changing a digit.

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, 80558389 + ... + 80558412.

Almost surely, 21933401612 is an apocalyptic number.

1933401612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1933401612 is an abundant number, since it is smaller than the sum of its proper divisors (2577868844).

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

1933401612 is a wasteful number, since it uses less digits than its factorization.

1933401612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161116808 (or 161116806 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1933401612 is about 43970.4629495756. The cubic root of 1933401612 is about 1245.7781003983.

The spelling of 1933401612 in words is "one billion, nine hundred thirty-three million, four hundred one thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 161116801 322233602 483350403 644467204 966700806 1933401612