Base | Representation |
---|---|
bin | 111001011010101100… |
… | …0100111000111000000 |
3 | 102210021010212100210210 |
4 | 1302311120213013000 |
5 | 4010010331241112 |
6 | 132351054154120 |
7 | 11623354336506 |
oct | 1626530470700 |
9 | 383233770723 |
10 | 123302212032 |
11 | 4832397a97a |
12 | 1ba917b2940 |
13 | b82039249c |
14 | 5d79b3a676 |
15 | 3319d43b3c |
hex | 1cb56271c0 |
123302212032 has 112 divisors (see below), whose sum is σ = 345581752320. Its totient is φ = 38665777152.
The previous prime is 123302212031. The next prime is 123302212037. The reversal of 123302212032 is 230212203321.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123302212031) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 8671873 + ... + 8686079.
It is an arithmetic number, because the mean of its divisors is an integer number (3085551360).
Almost surely, 2123302212032 is an apocalyptic number.
123302212032 is a gapful number since it is divisible by the number (12) 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 123302212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172790876160).
123302212032 is an abundant number, since it is smaller than the sum of its proper divisors (222279540288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123302212032 is a wasteful number, since it uses less digits than its factorization.
123302212032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16898 (or 16888 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 123302212032 its reverse (230212203321), we get a palindrome (353514415353).
The spelling of 123302212032 in words is "one hundred twenty-three billion, three hundred two million, two hundred twelve thousand, thirty-two".
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