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2080253057 = 19109487003
BaseRepresentation
bin111101111111110…
…0010010010000001
312100222100210201112
41323333202102001
513230021044212
6542231013105
7102356600501
oct17377422201
95328323645
102080253057
11978280a03
124a080a195
13271c9598c
1415a3c9a01
15c2966422
hex7bfe2481

2080253057 has 4 divisors (see below), whose sum is σ = 2189740080. Its totient is φ = 1970766036.

The previous prime is 2080253053. The next prime is 2080253113. The reversal of 2080253057 is 7503520802.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7503520802 = 23751760401.

It is a cyclic number.

It is not a de Polignac number, because 2080253057 - 22 = 2080253053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080253053) 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, 54743483 + ... + 54743520.

It is an arithmetic number, because the mean of its divisors is an integer number (547435020).

Almost surely, 22080253057 is an apocalyptic number.

It is an amenable number.

2080253057 is a deficient number, since it is larger than the sum of its proper divisors (109487023).

2080253057 is a wasteful number, since it uses less digits than its factorization.

2080253057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109487022.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2080253057 is about 45609.7912404782. The cubic root of 2080253057 is about 1276.5526248968.

Adding to 2080253057 its reverse (7503520802), we get a palindrome (9583773859).

The spelling of 2080253057 in words is "two billion, eighty million, two hundred fifty-three thousand, fifty-seven".

Divisors: 1 19 109487003 2080253057