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25024002000 = 2435383109461
BaseRepresentation
bin10111010011100010…
…111111011111010000
32101120222002000100220
4113103202333133100
5402222121031000
615255035113040
71544055336024
oct272342773720
971528060326
1025024002000
11a681440098
124a245a2780
13248a4bb39a
1412d5634384
159b6d641a0
hex5d38bf7d0

25024002000 has 320 divisors, whose sum is σ = 82577214720. Its totient is φ = 6518016000.

The previous prime is 25024001987. The next prime is 25024002049. The reversal of 25024002000 is 20042052.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54281770 + ... + 54282230.

It is an arithmetic number, because the mean of its divisors is an integer number (258053796).

Almost surely, 225024002000 is an apocalyptic number.

25024002000 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 25024002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41288607360).

25024002000 is an abundant number, since it is smaller than the sum of its proper divisors (57553212720).

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

25024002000 is a wasteful number, since it uses less digits than its factorization.

25024002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

Adding to 25024002000 its reverse (20042052), we get a palindrome (25044044052).

The spelling of 25024002000 in words is "twenty-five billion, twenty-four million, two thousand".