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25213023168 = 263293143279
BaseRepresentation
bin10111011110110100…
…000011001111000000
32102002010202021122220
4113132310003033000
5403114013220133
615325510331040
71551542106114
oct273664031700
972063667586
1025213023168
11a769104533
124a77959a80
1324ba700428
141312799744
159c87505b3
hex5ded033c0

25213023168 has 336 divisors, whose sum is σ = 73854259200. Its totient is φ = 7573063680.

The previous prime is 25213023163. The next prime is 25213023169. The reversal of 25213023168 is 86132031252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25213023163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319152153 + ... + 319152231.

Almost surely, 225213023168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25213023168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36927129600).

25213023168 is an abundant number, since it is smaller than the sum of its proper divisors (48641236032).

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

25213023168 is a wasteful number, since it uses less digits than its factorization.

25213023168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 25213023168 in words is "twenty-five billion, two hundred thirteen million, twenty-three thousand, one hundred sixty-eight".