Search a number
-
+
25284623041 = 47537970703
BaseRepresentation
bin10111100011000101…
…001011101011000001
32102021010110221020001
4113203011023223001
5403240330414131
615340545120001
71553401515106
oct274305135301
972233427201
1025284623041
11a7a5568587
124a97929001
1324cc4ac212
14131c0b6aad
159ceb95261
hex5e314bac1

25284623041 has 4 divisors (see below), whose sum is σ = 25822593792. Its totient is φ = 24746652292.

The previous prime is 25284623017. The next prime is 25284623069. The reversal of 25284623041 is 14032648252.

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 a de Polignac number, because none of the positive numbers 2k-25284623041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25284623641) 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, 268985305 + ... + 268985398.

It is an arithmetic number, because the mean of its divisors is an integer number (6455648448).

Almost surely, 225284623041 is an apocalyptic number.

It is an amenable number.

25284623041 is a deficient number, since it is larger than the sum of its proper divisors (537970751).

25284623041 is an equidigital number, since it uses as much as digits as its factorization.

25284623041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537970750.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 25284623041 in words is "twenty-five billion, two hundred eighty-four million, six hundred twenty-three thousand, forty-one".

Divisors: 1 47 537970703 25284623041