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25012010012 = 22111912976203
BaseRepresentation
bin10111010010110101…
…001111110000011100
32101120010111202110012
4113102311033300130
5402211033310022
615253530102352
71543551401663
oct272265176034
971503452405
1025012010012
11a67569a360
124a2057a9b8
132487b7cc32
1412d3bd1dda
159b5c95de2
hex5d2d4fc1c

25012010012 has 24 divisors (see below), whose sum is σ = 48000218112. Its totient is φ = 11309567600.

The previous prime is 25012010003. The next prime is 25012010059. The reversal of 25012010012 is 21001021052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479698 + ... + 1496505.

It is an arithmetic number, because the mean of its divisors is an integer number (2000009088).

Almost surely, 225012010012 is an apocalyptic number.

25012010012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25012010012 is a deficient number, since it is larger than the sum of its proper divisors (22988208100).

25012010012 is a wasteful number, since it uses less digits than its factorization.

25012010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976409 (or 2976407 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 25012010012 its reverse (21001021052), we get a palindrome (46013031064).

The spelling of 25012010012 in words is "twenty-five billion, twelve million, ten thousand, twelve".

Divisors: 1 2 4 11 22 44 191 382 764 2101 4202 8404 2976203 5952406 11904812 32738233 65476466 130952932 568454773 1136909546 2273819092 6253002503 12506005006 25012010012