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53021504541 = 317673834847
BaseRepresentation
bin110001011000010100…
…111111010000011101
312001212011022111122110
4301120110333100131
51332042001121131
640205134504233
73554631231615
oct613024772035
9161764274573
1053021504541
1120539291145
12a338965079
134ccca43435
1427cdb33a45
1515a4c85646
hexc5853f41d

53021504541 has 4 divisors (see below), whose sum is σ = 70695339392. Its totient is φ = 35347669692.

The previous prime is 53021504537. The next prime is 53021504581. The reversal of 53021504541 is 14540512035.

53021504541 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 not a de Polignac number, because 53021504541 - 22 = 53021504537 is a prime.

It is a super-2 number, since 2×530215045412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53021504499 and 53021504508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53021504531) 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, 8836917421 + ... + 8836917426.

It is an arithmetic number, because the mean of its divisors is an integer number (17673834848).

Almost surely, 253021504541 is an apocalyptic number.

It is an amenable number.

53021504541 is a deficient number, since it is larger than the sum of its proper divisors (17673834851).

53021504541 is a wasteful number, since it uses less digits than its factorization.

53021504541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17673834850.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 53021504541 in words is "fifty-three billion, twenty-one million, five hundred four thousand, five hundred forty-one".

Divisors: 1 3 17673834847 53021504541