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245054210155013 = 735007744307859
BaseRepresentation
bin110111101110000000100001…
…001001011010001000000101
31012010122221202020122101212002
4313232000201021122020011
5224104432010244430023
62225104203334035045
7102421403526013610
oct6756004111321005
91163587666571762
10245054210155013
11710999a809a786
12235991931a8a85
13a6976889b05ac
1444729893d3177
151d4e6507aab28
hexdee02125a205

245054210155013 has 4 divisors (see below), whose sum is σ = 280061954462880. Its totient is φ = 210046465847148.

The previous prime is 245054210154997. The next prime is 245054210155031. The reversal of 245054210155013 is 310551012450542.

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 not a de Polignac number, because 245054210155013 - 24 = 245054210154997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245054210155813) 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, 17503872153923 + ... + 17503872153936.

It is an arithmetic number, because the mean of its divisors is an integer number (70015488615720).

Almost surely, 2245054210155013 is an apocalyptic number.

It is an amenable number.

245054210155013 is a deficient number, since it is larger than the sum of its proper divisors (35007744307867).

245054210155013 is an equidigital number, since it uses as much as digits as its factorization.

245054210155013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35007744307866.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 245054210155013 in words is "two hundred forty-five trillion, fifty-four billion, two hundred ten million, one hundred fifty-five thousand, thirteen".

Divisors: 1 7 35007744307859 245054210155013