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25027981230 = 235717191971873
BaseRepresentation
bin10111010011110010…
…001010111110101110
32101121020120011211210
4113103302022332232
5402224130344410
615255300255250
71544134221210
oct272362127656
971536504753
1025027981230
11a68370880a
124a259a1526
13248b282665
1412d5d8c5b0
159b739d220
hex5d3c8afae

25027981230 has 256 divisors, whose sum is σ = 76941342720. Its totient is φ = 5072191488.

The previous prime is 25027981207. The next prime is 25027981243. The reversal of 25027981230 is 3218972052.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13361574 + ... + 13363446.

It is an arithmetic number, because the mean of its divisors is an integer number (300552120).

Almost surely, 225027981230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25027981230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38470671360).

25027981230 is an abundant number, since it is smaller than the sum of its proper divisors (51913361490).

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

25027981230 is a wasteful number, since it uses less digits than its factorization.

25027981230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 25027981230 in words is "twenty-five billion, twenty-seven million, nine hundred eighty-one thousand, two hundred thirty".