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13919425033 = 53262630661
BaseRepresentation
bin11001111011010100…
…11001001000001001
31022221001212001111111
430331222121020021
5212001333100113
610221113330321
71001636106043
oct147552311011
938831761444
1013919425033
1159a3175058
1228457069a1
13140aa09b97
14960900a93
1556701913d
hex33da99209

13919425033 has 4 divisors (see below), whose sum is σ = 14182055748. Its totient is φ = 13656794320.

The previous prime is 13919425027. The next prime is 13919425057. The reversal of 13919425033 is 33052491931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7144982784 + 6774442249 = 84528^2 + 82307^2 .

It is a cyclic number.

It is not a de Polignac number, because 13919425033 - 229 = 13382554121 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13919425063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131315278 + ... + 131315383.

It is an arithmetic number, because the mean of its divisors is an integer number (3545513937).

Almost surely, 213919425033 is an apocalyptic number.

It is an amenable number.

13919425033 is a deficient number, since it is larger than the sum of its proper divisors (262630715).

13919425033 is an equidigital number, since it uses as much as digits as its factorization.

13919425033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262630714.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 13919425033 in words is "thirteen billion, nine hundred nineteen million, four hundred twenty-five thousand, thirty-three".

Divisors: 1 53 262630661 13919425033