Base | Representation |
---|---|
bin | 111001011011100111… |
… | …0100011111100001000 |
3 | 102210100022001021002021 |
4 | 1302313032203330020 |
5 | 4010041240211130 |
6 | 132354121014224 |
7 | 11624211216346 |
oct | 1626716437410 |
9 | 383308037067 |
10 | 123333132040 |
11 | 4833a3795a8 |
12 | 1baa0024374 |
13 | b8268ca151 |
14 | 5d7dca8996 |
15 | 331c90037a |
hex | 1cb73a3f08 |
123333132040 has 64 divisors (see below), whose sum is σ = 293869134000. Its totient is φ = 46424014848.
The previous prime is 123333132029. The next prime is 123333132053. The reversal of 123333132040 is 40231333321.
It can be written as a sum of positive squares in 8 ways, for example, as 65361012964 + 57972119076 = 255658^2 + 240774^2 .
It is a super-2 number, since 2×1233331320402 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 123333131996 and 123333132014.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6551922 + ... + 6570718.
Almost surely, 2123333132040 is an apocalyptic number.
123333132040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123333132040 is an abundant number, since it is smaller than the sum of its proper divisors (170536001960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123333132040 is a wasteful number, since it uses less digits than its factorization.
123333132040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28474 (or 28470 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 25.
Adding to 123333132040 its reverse (40231333321), we get a palindrome (163564465361).
The spelling of 123333132040 in words is "one hundred twenty-three billion, three hundred thirty-three million, one hundred thirty-two thousand, forty".
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