Base | Representation |
---|---|
bin | 10111001111110011… |
… | …10001110100001100 |
3 | 1012012210111001221111 |
4 | 23213321301310030 |
5 | 201030014231430 |
6 | 5422234541404 |
7 | 621165333433 |
oct | 134771616414 |
9 | 35183431844 |
10 | 12480617740 |
11 | 5324a8a918 |
12 | 2503897864 |
13 | 123b8c1716 |
14 | 8657aa11a |
15 | 4d0a5ac2a |
hex | 2e7e71d0c |
12480617740 has 48 divisors (see below), whose sum is σ = 26602611840. Its totient is φ = 4917749760.
The previous prime is 12480617729. The next prime is 12480617749. The reversal of 12480617740 is 4771608421.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12480617693 and 12480617702.
It is not an unprimeable number, because it can be changed into a prime (12480617749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469444 + ... + 495316.
It is an arithmetic number, because the mean of its divisors is an integer number (554221080).
Almost surely, 212480617740 is an apocalyptic number.
12480617740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12480617740 is an abundant number, since it is smaller than the sum of its proper divisors (14121994100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12480617740 is a wasteful number, since it uses less digits than its factorization.
12480617740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26242 (or 26240 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 40.
The spelling of 12480617740 in words is "twelve billion, four hundred eighty million, six hundred seventeen thousand, seven hundred forty".
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