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2538506899 = 11927212837
BaseRepresentation
bin1001011101001110…
…1000101010010011
320112220122111211001
42113103220222103
520144324210044
61055521002431
7116622644515
oct22723505223
96486574731
102538506899
111092a14895
125aa183417
13315bc24b6
141a11d5bb5
15eccd52d4
hex974e8a93

2538506899 has 4 divisors (see below), whose sum is σ = 2538731664. Its totient is φ = 2538282136.

The previous prime is 2538506879. The next prime is 2538506903. The reversal of 2538506899 is 9986058352.

2538506899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2538506899 - 211 = 2538504851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538506869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94492 + ... + 118345.

It is an arithmetic number, because the mean of its divisors is an integer number (634682916).

Almost surely, 22538506899 is an apocalyptic number.

2538506899 is a deficient number, since it is larger than the sum of its proper divisors (224765).

2538506899 is a wasteful number, since it uses less digits than its factorization.

2538506899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224764.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The square root of 2538506899 is about 50383.5975194309. The cubic root of 2538506899 is about 1364.1415882223.

The spelling of 2538506899 in words is "two billion, five hundred thirty-eight million, five hundred six thousand, eight hundred ninety-nine".

Divisors: 1 11927 212837 2538506899