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25252502712 = 23317523118343
BaseRepresentation
bin10111100001001010…
…101001110010111000
32102011220001001102020
4113201022221302320
5403204120041322
615333440434440
71552531505613
oct274112516270
972156031366
1025252502712
11a78941a058
124a89018a20
1324c59440c8
141317b1517a
159cbe4d05c
hex5e12a9cb8

25252502712 has 64 divisors (see below), whose sum is σ = 66973236480. Its totient is φ = 7907139072.

The previous prime is 25252502711. The next prime is 25252502713. The reversal of 25252502712 is 21720525252.

It is an interprime number because it is at equal distance from previous prime (25252502711) and next prime (25252502713).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252502711) 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 15 ways as a sum of consecutive naturals, for example, 154213 + ... + 272555.

It is an arithmetic number, because the mean of its divisors is an integer number (1046456820).

Almost surely, 225252502712 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 25252502712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33486618240).

25252502712 is an abundant number, since it is smaller than the sum of its proper divisors (41720733768).

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

25252502712 is a wasteful number, since it uses less digits than its factorization.

25252502712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118892 (or 118888 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The spelling of 25252502712 in words is "twenty-five billion, two hundred fifty-two million, five hundred two thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 523 1046 1569 2092 3138 4184 6276 8891 12552 17782 26673 35564 53346 71128 106692 118343 213384 236686 355029 473372 710058 946744 1420116 2011831 2840232 4023662 6035493 8047324 12070986 16094648 24141972 48283944 61893389 123786778 185680167 247573556 371360334 495147112 742720668 1052187613 1485441336 2104375226 3156562839 4208750452 6313125678 8417500904 12626251356 25252502712