Base | Representation |
---|---|
bin | 111001010101101000… |
… | …0001011111010000100 |
3 | 102202211022000110002010 |
4 | 1302223100023322010 |
5 | 4004133322400200 |
6 | 132322143014220 |
7 | 11616221461041 |
oct | 1625320137204 |
9 | 382738013063 |
10 | 123132231300 |
11 | 48246a30931 |
12 | 1ba4489a370 |
13 | b7c40b8b80 |
14 | 5d613301c8 |
15 | 3309e69150 |
hex | 1cab40be84 |
123132231300 has 144 divisors (see below), whose sum is σ = 383857376000. Its totient is φ = 30294466560.
The previous prime is 123132231283. The next prime is 123132231337. The reversal of 123132231300 is 3132231321.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9287076 + ... + 9300324.
Almost surely, 2123132231300 is an apocalyptic number.
123132231300 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 123132231300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191928688000).
123132231300 is an abundant number, since it is smaller than the sum of its proper divisors (260725144700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123132231300 is a wasteful number, since it uses less digits than its factorization.
123132231300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15662 (or 15655 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 123132231300 its sum of digits (21), we get a palindrome (123132231321).
Adding to 123132231300 its reverse (3132231321), we get a palindrome (126264462621).
The spelling of 123132231300 in words is "one hundred twenty-three billion, one hundred thirty-two million, two hundred thirty-one thousand, three hundred".
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