Base | Representation |
---|---|
bin | 1110110011101… |
… | …01000011100111 |
3 | 22122201121001101 |
4 | 13121311003213 |
5 | 223244231211 |
6 | 20154140531 |
7 | 3035531311 |
oct | 731650347 |
9 | 278647041 |
10 | 124211431 |
11 | 64128983 |
12 | 35721747 |
13 | 1c96cab6 |
14 | 126d47b1 |
15 | ad885c1 |
hex | 76750e7 |
124211431 has 8 divisors (see below), whose sum is σ = 130332384. Its totient is φ = 118150560.
The previous prime is 124211429. The next prime is 124211443. The reversal of 124211431 is 134112421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 124211431 - 21 = 124211429 is a prime.
It is a super-2 number, since 2×1242114312 = 30856959182135522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 124211399 and 124211408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124211491) 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, 10756 + ... + 19081.
It is an arithmetic number, because the mean of its divisors is an integer number (16291548).
Almost surely, 2124211431 is an apocalyptic number.
124211431 is a deficient number, since it is larger than the sum of its proper divisors (6120953).
124211431 is a wasteful number, since it uses less digits than its factorization.
124211431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30041.
The product of its digits is 192, while the sum is 19.
The square root of 124211431 is about 11145.0182144311. The cubic root of 124211431 is about 498.9463558945.
Adding to 124211431 its reverse (134112421), we get a palindrome (258323852).
The spelling of 124211431 in words is "one hundred twenty-four million, two hundred eleven thousand, four hundred thirty-one".
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