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2053291965 = 35563243137
BaseRepresentation
bin111101001100010…
…1011111110111101
312022002122001001120
41322120223332331
513201120320330
6535425101153
7101611456644
oct17230537675
95262561046
102053291965
1196403670a
124937877b9
13269515c7a
141569ac35b
15c03dcc10
hex7a62bfbd

2053291965 has 16 divisors (see below), whose sum is σ = 3291115968. Its totient is φ = 1093139456.

The previous prime is 2053291963. The next prime is 2053291973. The reversal of 2053291965 is 5691923502.

It is a cyclic number.

It is not a de Polignac number, because 2053291965 - 21 = 2053291963 is a prime.

It is a super-2 number, since 2×20532919652 = 8432015787067122450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053291963) 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, 113124 + ... + 130013.

It is an arithmetic number, because the mean of its divisors is an integer number (205694748).

Almost surely, 22053291965 is an apocalyptic number.

It is an amenable number.

2053291965 is a deficient number, since it is larger than the sum of its proper divisors (1237824003).

2053291965 is a wasteful number, since it uses less digits than its factorization.

2053291965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243708.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 2053291965 is about 45313.2647797530. The cubic root of 2053291965 is about 1271.0137121036.

The spelling of 2053291965 in words is "two billion, fifty-three million, two hundred ninety-one thousand, nine hundred sixty-five".

Divisors: 1 3 5 15 563 1689 2815 8445 243137 729411 1215685 3647055 136886131 410658393 684430655 2053291965