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2045135353 = 7723264811
BaseRepresentation
bin111100111100110…
…0100100111111001
312021112021122021211
41321321210213321
513142023312403
6534534203121
7101452235512
oct17171444771
95245248254
102045135353
1195a475508
12490ab34a1
1326791b481
14155887a09
15be82b06d
hex79e649f9

2045135353 has 4 divisors (see below), whose sum is σ = 2045407888. Its totient is φ = 2044862820.

The previous prime is 2045135347. The next prime is 2045135363. The reversal of 2045135353 is 3535315402.

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 a de Polignac number, because none of the positive numbers 2k-2045135353 is a prime.

It is a super-2 number, since 2×20451353532 = 8365157224180869218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045135363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124683 + ... + 140128.

It is an arithmetic number, because the mean of its divisors is an integer number (511351972).

Almost surely, 22045135353 is an apocalyptic number.

It is an amenable number.

2045135353 is a deficient number, since it is larger than the sum of its proper divisors (272535).

2045135353 is an equidigital number, since it uses as much as digits as its factorization.

2045135353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272534.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2045135353 is about 45223.1727436278. The cubic root of 2045135353 is about 1269.3284632523.

The spelling of 2045135353 in words is "two billion, forty-five million, one hundred thirty-five thousand, three hundred fifty-three".

Divisors: 1 7723 264811 2045135353