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53643364607 = 73169992051
BaseRepresentation
bin110001111101011001…
…001100100011111111
312010110111110021021202
4301331121030203333
51334330200131412
640350551250115
73606222035000
oct617531144377
9163414407252
1053643364607
112082830a888
12a49107993b
13509b823c81
14284c56b1a7
1515de6703c2
hexc7d64c8ff

53643364607 has 16 divisors (see below), whose sum is σ = 62595360000. Its totient is φ = 45952464600.

The previous prime is 53643364591. The next prime is 53643364613. The reversal of 53643364607 is 70646334635.

It is not a de Polignac number, because 53643364607 - 24 = 53643364591 is a prime.

It is a super-2 number, since 2×536433646072 (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 (53643364657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536732 + ... + 628782.

It is an arithmetic number, because the mean of its divisors is an integer number (3912210000).

Almost surely, 253643364607 is an apocalyptic number.

53643364607 is a deficient number, since it is larger than the sum of its proper divisors (8951995393).

53643364607 is an equidigital number, since it uses as much as digits as its factorization.

53643364607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93771 (or 93757 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 47.

The spelling of 53643364607 in words is "fifty-three billion, six hundred forty-three million, three hundred sixty-four thousand, six hundred seven".

Divisors: 1 7 49 343 1699 11893 83251 92051 582757 644357 4510499 31573493 156394649 1094762543 7663337801 53643364607