Base | Representation |
---|---|
bin | 10111101111011110… |
… | …00111001010000110 |
3 | 1012220022022221112201 |
4 | 23313233013022012 |
5 | 202101020211110 |
6 | 5504444305114 |
7 | 630602253133 |
oct | 136757071206 |
9 | 35808287481 |
10 | 12746257030 |
11 | 5450a25621 |
12 | 257884219a |
13 | 128194b730 |
14 | 88cb9758a |
15 | 4e902db3a |
hex | 2f7bc7286 |
12746257030 has 32 divisors (see below), whose sum is σ = 24837539328. Its totient is φ = 4681660800.
The previous prime is 12746257003. The next prime is 12746257031. The reversal of 12746257030 is 3075264721.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12746257031) 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, 231841 + ... + 281500.
It is an arithmetic number, because the mean of its divisors is an integer number (776173104).
Almost surely, 212746257030 is an apocalyptic number.
12746257030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12746257030 is a deficient number, since it is larger than the sum of its proper divisors (12091282298).
12746257030 is a wasteful number, since it uses less digits than its factorization.
12746257030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 513552.
The product of its (nonzero) digits is 70560, while the sum is 37.
The spelling of 12746257030 in words is "twelve billion, seven hundred forty-six million, two hundred fifty-seven thousand, thirty".
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