Search a number
-
+
25110422401 = 191321601179
BaseRepresentation
bin10111011000101100…
…101010001110000001
32101210222200121212111
4113120230222032001
5402411232004101
615311403255321
71546155032401
oct273054521601
971728617774
1025110422401
11a7161a7009
124a4951a541
1324a2388c0c
141302ccc801
159be735251
hex5d8b2a381

25110422401 has 4 divisors (see below), whose sum is σ = 26432023600. Its totient is φ = 23788821204.

The previous prime is 25110422383. The next prime is 25110422417. The reversal of 25110422401 is 10422401152.

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 not a de Polignac number, because 25110422401 - 213 = 25110414209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25110422801) 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, 660800571 + ... + 660800608.

It is an arithmetic number, because the mean of its divisors is an integer number (6608005900).

Almost surely, 225110422401 is an apocalyptic number.

It is an amenable number.

25110422401 is a deficient number, since it is larger than the sum of its proper divisors (1321601199).

25110422401 is a wasteful number, since it uses less digits than its factorization.

25110422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321601198.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 25110422401 its reverse (10422401152), we get a palindrome (35532823553).

The spelling of 25110422401 in words is "twenty-five billion, one hundred ten million, four hundred twenty-two thousand, four hundred one".

Divisors: 1 19 1321601179 25110422401