Base | Representation |
---|---|
bin | 10111010001110111… |
… | …00011100111011100 |
3 | 1012020222221010100212 |
4 | 23220323203213130 |
5 | 201043423023314 |
6 | 5424052311552 |
7 | 621465031532 |
oct | 135073434734 |
9 | 35228833325 |
10 | 12497861084 |
11 | 5333798015 |
12 | 25096125b8 |
13 | 124234b197 |
14 | 867bb8152 |
15 | 4d2314e3e |
hex | 2e8ee39dc |
12497861084 has 24 divisors (see below), whose sum is σ = 22090178880. Its totient is φ = 6186476736.
The previous prime is 12497861081. The next prime is 12497861111. The reversal of 12497861084 is 48016879421.
It is a super-4 number, since 4×124978610844 (a number of 41 digits) contains 4444 as substring.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12497861081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545549 + ... + 567995.
It is an arithmetic number, because the mean of its divisors is an integer number (920424120).
Almost surely, 212497861084 is an apocalyptic number.
It is an amenable number.
12497861084 is a deficient number, since it is larger than the sum of its proper divisors (9592317796).
12497861084 is a wasteful number, since it uses less digits than its factorization.
12497861084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23837 (or 23835 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 50.
The spelling of 12497861084 in words is "twelve billion, four hundred ninety-seven million, eight hundred sixty-one thousand, eighty-four".
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