Base | Representation |
---|---|
bin | 10111010111100110… |
… | …01111001001011100 |
3 | 1012101100112102122111 |
4 | 23223303033021130 |
5 | 201143234333430 |
6 | 5432532323404 |
7 | 622621224463 |
oct | 135363171134 |
9 | 35340472574 |
10 | 12546011740 |
11 | 5358995349 |
12 | 2521773564 |
13 | 124c3098b2 |
14 | 87034d9da |
15 | 4d6676c2a |
hex | 2ebccf25c |
12546011740 has 48 divisors (see below), whose sum is σ = 27019327104. Its totient is φ = 4891161600.
The previous prime is 12546011683. The next prime is 12546011741. The reversal of 12546011740 is 4711064521.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12546011741) 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, 198850 + ... + 254230.
It is an arithmetic number, because the mean of its divisors is an integer number (562902648).
Almost surely, 212546011740 is an apocalyptic number.
12546011740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12546011740 is an abundant number, since it is smaller than the sum of its proper divisors (14473315364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12546011740 is a wasteful number, since it uses less digits than its factorization.
12546011740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55678 (or 55676 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 31.
The spelling of 12546011740 in words is "twelve billion, five hundred forty-six million, eleven thousand, seven hundred forty".
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