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53345621141 = 83642718327
BaseRepresentation
bin110001101011101001…
…011001010010010101
312002200202012100000222
4301223221121102111
51333222434334031
640301233444125
73565645204151
oct615351312225
9162622170028
1053345621141
11206952377aa
12a409410645
135051c362c7
142820bc4061
1515c3459e7b
hexc6ba59495

53345621141 has 4 divisors (see below), whose sum is σ = 53988339552. Its totient is φ = 52702902732.

The previous prime is 53345621099. The next prime is 53345621143. The reversal of 53345621141 is 14112654335.

53345621141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 53345621141 - 226 = 53278512277 is a prime.

It is a super-2 number, since 2×533456211412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53345621143) 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, 321359081 + ... + 321359246.

It is an arithmetic number, because the mean of its divisors is an integer number (13497084888).

Almost surely, 253345621141 is an apocalyptic number.

It is an amenable number.

53345621141 is a deficient number, since it is larger than the sum of its proper divisors (642718411).

53345621141 is an equidigital number, since it uses as much as digits as its factorization.

53345621141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642718410.

The product of its digits is 43200, while the sum is 35.

The spelling of 53345621141 in words is "fifty-three billion, three hundred forty-five million, six hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 83 642718327 53345621141