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8811665053 = 23113812923
BaseRepresentation
bin10000011010011011…
…10101011010011101
3211202002200222000221
420031031311122131
5121021241240203
64014212321341
7431234626402
oct101515653235
924662628027
108811665053
113811a56414
12185b013251
13aa574b6b9
145d83cc2a9
153688c8abd
hex20d37569d

8811665053 has 4 divisors (see below), whose sum is σ = 8815480288. Its totient is φ = 8807849820.

The previous prime is 8811665021. The next prime is 8811665087. The reversal of 8811665053 is 3505661188.

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 8811665053 - 25 = 8811665021 is a prime.

It is a super-2 number, since 2×88116650532 (a number of 21 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 (8811666053) 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, 1904151 + ... + 1908772.

It is an arithmetic number, because the mean of its divisors is an integer number (2203870072).

Almost surely, 28811665053 is an apocalyptic number.

It is an amenable number.

8811665053 is a deficient number, since it is larger than the sum of its proper divisors (3815235).

8811665053 is a wasteful number, since it uses less digits than its factorization.

8811665053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815234.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 8811665053 is about 93870.4695471371. The cubic root of 8811665053 is about 2065.4720707228.

The spelling of 8811665053 in words is "eight billion, eight hundred eleven million, six hundred sixty-five thousand, fifty-three".

Divisors: 1 2311 3812923 8811665053