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1164215053 = 2694327937
BaseRepresentation
bin100010101100100…
…1000001100001101
310000010200020211001
41011121020030031
54341014340203
6311305100301
740564443661
oct10531101415
93003606731
101164215053
11548195001
12285a87691
13157275361
14b08968a1
156c31c91d
hex4564830d

1164215053 has 4 divisors (see below), whose sum is σ = 1168543260. Its totient is φ = 1159886848.

The previous prime is 1164215011. The next prime is 1164215083. The reversal of 1164215053 is 3505124611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 462336004 + 701879049 = 21502^2 + 26493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1164215053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164215083) 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, 2163700 + ... + 2164237.

It is an arithmetic number, because the mean of its divisors is an integer number (292135815).

Almost surely, 21164215053 is an apocalyptic number.

It is an amenable number.

1164215053 is a deficient number, since it is larger than the sum of its proper divisors (4328207).

1164215053 is an equidigital number, since it uses as much as digits as its factorization.

1164215053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328206.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1164215053 is about 34120.5957304382. The cubic root of 1164215053 is about 1051.9886885130.

Adding to 1164215053 its reverse (3505124611), we get a palindrome (4669339664).

The spelling of 1164215053 in words is "one billion, one hundred sixty-four million, two hundred fifteen thousand, fifty-three".

Divisors: 1 269 4327937 1164215053