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2009753953 = 18111103613
BaseRepresentation
bin111011111001010…
…0110100101100001
312012001201002010121
41313302212211201
513103444111303
6531232000241
7100542424654
oct16762464541
95161632117
102009753953
119414a9989
12481090081
132604b0c2c
14150cb789b
15bb68c9bd
hex77ca6961

2009753953 has 4 divisors (see below), whose sum is σ = 2020857748. Its totient is φ = 1998650160.

The previous prime is 2009753897. The next prime is 2009753959. The reversal of 2009753953 is 3593579002.

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 918574864 + 1091179089 = 30308^2 + 33033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2009753953 is a prime.

It is a super-2 number, since 2×20097539532 = 8078221903198252418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2009753959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551626 + ... + 5551987.

It is an arithmetic number, because the mean of its divisors is an integer number (505214437).

Almost surely, 22009753953 is an apocalyptic number.

It is an amenable number.

2009753953 is a deficient number, since it is larger than the sum of its proper divisors (11103795).

2009753953 is a wasteful number, since it uses less digits than its factorization.

2009753953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11103794.

The product of its (nonzero) digits is 255150, while the sum is 43.

The square root of 2009753953 is about 44830.2794213911. The cubic root of 2009753953 is about 1261.9659309939.

The spelling of 2009753953 in words is "two billion, nine million, seven hundred fifty-three thousand, nine hundred fifty-three".

Divisors: 1 181 11103613 2009753953