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5720375021 = 12745042323
BaseRepresentation
bin1010101001111010…
…11111111011101101
3112202122220011022112
411110331133323231
543203404000041
62343343253405
7261520246124
oct52475377355
915678804275
105720375021
112476003469
1211378aa265
13702182cba
143c3a20abb
15237300deb
hex154f5feed

5720375021 has 4 divisors (see below), whose sum is σ = 5765417472. Its totient is φ = 5675332572.

The previous prime is 5720374987. The next prime is 5720375039. The reversal of 5720375021 is 1205730275.

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 5720375021 - 218 = 5720112877 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 (5720375041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22521035 + ... + 22521288.

It is an arithmetic number, because the mean of its divisors is an integer number (1441354368).

Almost surely, 25720375021 is an apocalyptic number.

It is an amenable number.

5720375021 is a deficient number, since it is larger than the sum of its proper divisors (45042451).

5720375021 is a wasteful number, since it uses less digits than its factorization.

5720375021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45042450.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 5720375021 is about 75633.1608555401. The cubic root of 5720375021 is about 1788.4418909119.

The spelling of 5720375021 in words is "five billion, seven hundred twenty million, three hundred seventy-five thousand, twenty-one".

Divisors: 1 127 45042323 5720375021