Base | Representation |
---|---|
bin | 111001110111010100… |
… | …1110110001001111100 |
3 | 102212202002211001020001 |
4 | 1303232221312021330 |
5 | 4013442314001140 |
6 | 133030300004044 |
7 | 11656232224303 |
oct | 1635651661174 |
9 | 385662731201 |
10 | 124263031420 |
11 | 48777272790 |
12 | 200bb530624 |
13 | b944461a78 |
14 | 602b5a943a |
15 | 3374385e9a |
hex | 1ceea7627c |
124263031420 has 96 divisors (see below), whose sum is σ = 291584240640. Its totient is φ = 44091989760.
The previous prime is 124263031391. The next prime is 124263031421. The reversal of 124263031420 is 24130362421.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124263031421) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10428426 + ... + 10440334.
It is an arithmetic number, because the mean of its divisors is an integer number (3037335840).
Almost surely, 2124263031420 is an apocalyptic number.
124263031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 124263031420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145792120320).
124263031420 is an abundant number, since it is smaller than the sum of its proper divisors (167321209220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124263031420 is a wasteful number, since it uses less digits than its factorization.
124263031420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13075 (or 13073 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 124263031420 its reverse (24130362421), we get a palindrome (148393393841).
The spelling of 124263031420 in words is "one hundred twenty-four billion, two hundred sixty-three million, thirty-one thousand, four hundred twenty".
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