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25255230000 = 2435471113292
BaseRepresentation
bin10111100001010101…
…000011101000110000
32102012002011121112220
4113201111003220300
5403210314330000
615334015121040
71552563625110
oct274125035060
972162147486
1025255230000
11a78aa12110
124a89b13180
1324c638a5a0
141318225040
159cc2db1a0
hex5e1543a30

25255230000 has 1200 divisors, whose sum is σ = 113367910656. Its totient is φ = 4677120000.

The previous prime is 25255229959. The next prime is 25255230019. The reversal of 25255230000 is 3255252.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 870869986 + ... + 870870014.

Almost surely, 225255230000 is an apocalyptic number.

25255230000 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 25255230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56683955328).

25255230000 is an abundant number, since it is smaller than the sum of its proper divisors (88112680656).

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

25255230000 is a wasteful number, since it uses less digits than its factorization.

25255230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

Adding to 25255230000 its reverse (3255252), we get a palindrome (25258485252).

It can be divided in two parts, 25255 and 230000, that added together give a triangular number (255255 = T714).

The spelling of 25255230000 in words is "twenty-five billion, two hundred fifty-five million, two hundred thirty thousand".