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53994225293 = 311741749203
BaseRepresentation
bin110010010010010011…
…100111111010001101
312011100221122211122222
4302102103213322031
51341040010202133
640445443345125
73621012225311
oct622223477215
9164327584588
1053994225293
1120998372698
12a56a6821a5
13512641bb48
142882dbdb41
151610378e98
hexc924e7e8d

53994225293 has 4 divisors (see below), whose sum is σ = 55735974528. Its totient is φ = 52252476060.

The previous prime is 53994225217. The next prime is 53994225349. The reversal of 53994225293 is 39252249935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39252249935 = 57850449987.

It is a cyclic number.

It is not a de Polignac number, because 53994225293 - 216 = 53994159757 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 (53994225193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870874571 + ... + 870874632.

It is an arithmetic number, because the mean of its divisors is an integer number (13933993632).

Almost surely, 253994225293 is an apocalyptic number.

It is an amenable number.

53994225293 is a deficient number, since it is larger than the sum of its proper divisors (1741749235).

53994225293 is a wasteful number, since it uses less digits than its factorization.

53994225293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741749234.

The product of its digits is 5248800, while the sum is 53.

The spelling of 53994225293 in words is "fifty-three billion, nine hundred ninety-four million, two hundred twenty-five thousand, two hundred ninety-three".

Divisors: 1 31 1741749203 53994225293