Base | Representation |
---|---|
bin | 1110111001001… |
… | …10101110000111 |
3 | 22201002120021200 |
4 | 13130212232013 |
5 | 223441023033 |
6 | 20221513543 |
7 | 3044652030 |
oct | 734465607 |
9 | 281076250 |
10 | 124939143 |
11 | 6458569a |
12 | 35a128b3 |
13 | 1cb660b4 |
14 | 12843a87 |
15 | ae7e013 |
hex | 7726b87 |
124939143 has 24 divisors (see below), whose sum is σ = 206632608. Its totient is φ = 71260992.
The previous prime is 124939127. The next prime is 124939147. The reversal of 124939143 is 341939421.
It is not a de Polignac number, because 124939143 - 24 = 124939127 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 124939098 and 124939107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124939147) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39621 + ... + 42657.
It is an arithmetic number, because the mean of its divisors is an integer number (8609692).
Almost surely, 2124939143 is an apocalyptic number.
124939143 is a deficient number, since it is larger than the sum of its proper divisors (81693465).
124939143 is a wasteful number, since it uses less digits than its factorization.
124939143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3703 (or 3700 counting only the distinct ones).
The product of its digits is 23328, while the sum is 36.
The square root of 124939143 is about 11177.6179483824. The cubic root of 124939143 is about 499.9188441615.
The spelling of 124939143 in words is "one hundred twenty-four million, nine hundred thirty-nine thousand, one hundred forty-three".
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