Search a number
-
+
2545028263 = 2586798389
BaseRepresentation
bin1001011110110010…
…0000110010100111
320120100220211110001
42113230200302213
520203011401023
61100312442131
7120032245321
oct22754406247
96510824401
102545028263
111096669448
125b03a9347
133173668ab
141a2012611
15ed6726ad
hex97b20ca7

2545028263 has 4 divisors (see below), whose sum is σ = 2545152520. Its totient is φ = 2544904008.

The previous prime is 2545028261. The next prime is 2545028279. The reversal of 2545028263 is 3628205452.

2545028263 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2545028263 - 21 = 2545028261 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 (2545028261) 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, 23328 + ... + 75061.

It is an arithmetic number, because the mean of its divisors is an integer number (636288130).

Almost surely, 22545028263 is an apocalyptic number.

2545028263 is a deficient number, since it is larger than the sum of its proper divisors (124257).

2545028263 is an equidigital number, since it uses as much as digits as its factorization.

2545028263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124256.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 2545028263 is about 50448.2731419025. The cubic root of 2545028263 is about 1365.3087384575.

The spelling of 2545028263 in words is "two billion, five hundred forty-five million, twenty-eight thousand, two hundred sixty-three".

Divisors: 1 25867 98389 2545028263