Base | Representation |
---|---|
bin | 111001110101101111… |
… | …1001110001000111111 |
3 | 102212121101212102102011 |
4 | 1303223133032020333 |
5 | 4013340214230211 |
6 | 133021121312051 |
7 | 11655015565261 |
oct | 1635337161077 |
9 | 385541772364 |
10 | 124209914431 |
11 | 4874a293149 |
12 | 200a5795627 |
13 | b9364549b5 |
14 | 60244ddb31 |
15 | 336e892921 |
hex | 1ceb7ce23f |
124209914431 has 4 divisors (see below), whose sum is σ = 124319933200. Its totient is φ = 124099895664.
The previous prime is 124209914393. The next prime is 124209914459. The reversal of 124209914431 is 134419902421.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 124209914431 - 229 = 123673043519 is a prime.
It is a super-2 number, since 2×1242099144312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124209914831) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55007691 + ... + 55009948.
It is an arithmetic number, because the mean of its divisors is an integer number (31079983300).
Almost surely, 2124209914431 is an apocalyptic number.
124209914431 is a deficient number, since it is larger than the sum of its proper divisors (110018769).
124209914431 is a wasteful number, since it uses less digits than its factorization.
124209914431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110018768.
The product of its (nonzero) digits is 62208, while the sum is 40.
The spelling of 124209914431 in words is "one hundred twenty-four billion, two hundred nine million, nine hundred fourteen thousand, four hundred thirty-one".
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