Base | Representation |
---|---|
bin | 11000000000010010… |
… | …11000110011000000 |
3 | 1020021010211212012120 |
4 | 30000021120303000 |
5 | 202343131102002 |
6 | 5530444524240 |
7 | 634234530105 |
oct | 140011306300 |
9 | 36233755176 |
10 | 12887362752 |
11 | 5513642420 |
12 | 25b7b50680 |
13 | 12a4c55144 |
14 | 8a3808aac |
15 | 506602cbc |
hex | 300258cc0 |
12887362752 has 112 divisors (see below), whose sum is σ = 37229491200. Its totient is φ = 3901916160.
The previous prime is 12887362739. The next prime is 12887362759. The reversal of 12887362752 is 25726378821.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 12887362695 and 12887362704.
It is not an unprimeable number, because it can be changed into a prime (12887362759) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3713274 + ... + 3716742.
Almost surely, 212887362752 is an apocalyptic number.
12887362752 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 12887362752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18614745600).
12887362752 is an abundant number, since it is smaller than the sum of its proper divisors (24342128448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12887362752 is a wasteful number, since it uses less digits than its factorization.
12887362752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5254 (or 5244 counting only the distinct ones).
The product of its digits is 2257920, while the sum is 51.
The spelling of 12887362752 in words is "twelve billion, eight hundred eighty-seven million, three hundred sixty-two thousand, seven hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •