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53013505501 = 118971537221
BaseRepresentation
bin110001010111110110…
…011110010111011101
312001211121021010000201
4301113312132113131
51332032424134001
640204251223501
73554503235035
oct612766362735
9161747233021
1053013505501
1120534818370
12a336147b91
134ccb1a2588
1427cca508c5
1515a4205501
hexc57d9e5dd

53013505501 has 8 divisors (see below), whose sum is σ = 57839469408. Its totient is φ = 48188634000.

The previous prime is 53013505471. The next prime is 53013505507. The reversal of 53013505501 is 10550531035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53013505501 - 27 = 53013505373 is a prime.

It is a super-2 number, since 2×530135055012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53013505501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53013505507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169930 + ... + 367291.

It is an arithmetic number, because the mean of its divisors is an integer number (7229933676).

Almost surely, 253013505501 is an apocalyptic number.

It is an amenable number.

53013505501 is a deficient number, since it is larger than the sum of its proper divisors (4825963907).

53013505501 is a wasteful number, since it uses less digits than its factorization.

53013505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546203.

The product of its (nonzero) digits is 5625, while the sum is 28.

The spelling of 53013505501 in words is "fifty-three billion, thirteen million, five hundred five thousand, five hundred one".

Divisors: 1 11 8971 98681 537221 5909431 4819409591 53013505501