Search a number
-
+
25042125000 = 23356431553
BaseRepresentation
bin10111010100101000…
…001000000011001000
32101122020011202110010
4113110220020003020
5402241241000000
615300523351520
71544365356534
oct272450100310
971566152403
1025042125000
11a690699182
124a2a6825a0
132491195359
1412d7bd0bc4
159b8743d50
hex5d4a080c8

25042125000 has 224 divisors, whose sum is σ = 80127099360. Its totient is φ = 6518400000.

The previous prime is 25042124983. The next prime is 25042125007. The reversal of 25042125000 is 52124052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25042125007) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16124224 + ... + 16125776.

It is an arithmetic number, because the mean of its divisors is an integer number (357710265).

Almost surely, 225042125000 is an apocalyptic number.

25042125000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25042125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40063549680).

25042125000 is an abundant number, since it is smaller than the sum of its proper divisors (55084974360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25042125000 is an equidigital number, since it uses as much as digits as its factorization.

25042125000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 25042125000 its reverse (52124052), we get a palindrome (25094249052).

The spelling of 25042125000 in words is "twenty-five billion, forty-two million, one hundred twenty-five thousand".