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25248000000 = 211356263
BaseRepresentation
bin10111100000111001…
…011110100000000000
32102011120120021212010
4113200321132200000
5403201442000000
615333200132520
71552445313306
oct274071364000
972146507763
1025248000000
11a786924103
124a87607140
1324c4a28792
1413172a2276
159cb85dd50
hex5e0e5e800

25248000000 has 336 divisors, whose sum is σ = 84458293920. Its totient is φ = 6707200000.

The previous prime is 25247999989. The next prime is 25248000017. The reversal of 25248000000 is 84252.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 95999869 + ... + 96000131.

It is an arithmetic number, because the mean of its divisors is an integer number (251363970).

Almost surely, 225248000000 is an apocalyptic number.

25248000000 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 25248000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42229146960).

25248000000 is an abundant number, since it is smaller than the sum of its proper divisors (59210293920).

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

25248000000 is an frugal number, since it uses more digits than its factorization.

25248000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 25248000000 its reverse (84252), we get a palindrome (25248084252).

The spelling of 25248000000 in words is "twenty-five billion, two hundred forty-eight million", and thus it is an aban number.