Base | Representation |
---|---|
bin | 10111110001101111… |
… | …11111011001011000 |
3 | 1012221122021120022000 |
4 | 23320313333121120 |
5 | 202120413034002 |
6 | 5510410001000 |
7 | 631223533053 |
oct | 137067773130 |
9 | 35848246260 |
10 | 12765361752 |
11 | 5460794250 |
12 | 2583116160 |
13 | 12858aa4c0 |
14 | 89152ba9a |
15 | 4eaa5461c |
hex | 2f8dff658 |
12765361752 has 256 divisors, whose sum is σ = 43098048000. Its totient is φ = 3447360000.
The previous prime is 12765361747. The next prime is 12765361757. The reversal of 12765361752 is 25716356721.
It is a happy number.
12765361752 is a `hidden beast` number, since 1 + 27 + 6 + 5 + 3 + 617 + 5 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (12765361747) and next prime (12765361757).
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 12765361698 and 12765361707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12765361757) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 888627 + ... + 902877.
It is an arithmetic number, because the mean of its divisors is an integer number (168351750).
Almost surely, 212765361752 is an apocalyptic number.
12765361752 is a gapful number since it is divisible by the number (12) 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 12765361752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21549024000).
12765361752 is an abundant number, since it is smaller than the sum of its proper divisors (30332686248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12765361752 is a wasteful number, since it uses less digits than its factorization.
12765361752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14319 (or 14309 counting only the distinct ones).
The product of its digits is 529200, while the sum is 45.
The spelling of 12765361752 in words is "twelve billion, seven hundred sixty-five million, three hundred sixty-one thousand, seven hundred fifty-two".
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