Base | Representation |
---|---|
bin | 111001011110100000… |
… | …1011001011000100000 |
3 | 102210121001222011010112 |
4 | 1302331001121120200 |
5 | 4010241132003344 |
6 | 132411512350452 |
7 | 11626501420655 |
oct | 1627501313040 |
9 | 383531864115 |
10 | 123430344224 |
11 | 4838a236550 |
12 | 1bb086a5428 |
13 | b840aa5a55 |
14 | 5d8cb71c2c |
15 | 3326203c9e |
hex | 1cbd059620 |
123430344224 has 24 divisors (see below), whose sum is σ = 265094717328. Its totient is φ = 56104701760.
The previous prime is 123430344199. The next prime is 123430344229. The reversal of 123430344224 is 422443034321.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is not an unprimeable number, because it can be changed into a prime (123430344229) 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, 175326842 + ... + 175327545.
It is an arithmetic number, because the mean of its divisors is an integer number (11045613222).
Almost surely, 2123430344224 is an apocalyptic number.
It is an amenable number.
123430344224 is an abundant number, since it is smaller than the sum of its proper divisors (141664373104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123430344224 is a wasteful number, since it uses less digits than its factorization.
123430344224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 350654408 (or 350654400 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 32.
Adding to 123430344224 its reverse (422443034321), we get a palindrome (545873378545).
The spelling of 123430344224 in words is "one hundred twenty-three billion, four hundred thirty million, three hundred forty-four thousand, two hundred twenty-four".
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