Base | Representation |
---|---|
bin | 111001010101100011… |
… | …1110010110011011010 |
3 | 102202211010212200021110 |
4 | 1302223013302303122 |
5 | 4004132242000242 |
6 | 132322023521150 |
7 | 11616163666104 |
oct | 1625307626332 |
9 | 382733780243 |
10 | 123130031322 |
11 | 48245768a71 |
12 | 1ba43bb91b6 |
13 | b7c37c86cc |
14 | 5d60d1a574 |
15 | 3309b8239c |
hex | 1cab1f2cda |
123130031322 has 32 divisors (see below), whose sum is σ = 249121751040. Its totient is φ = 40566746880.
The previous prime is 123130031281. The next prime is 123130031333. The reversal of 123130031322 is 223130031321.
123130031322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1231300313222 (a number of 23 digits) contains 22 as substring.
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, 1406247 + ... + 1491237.
It is an arithmetic number, because the mean of its divisors is an integer number (7785054720).
Almost surely, 2123130031322 is an apocalyptic number.
123130031322 is an abundant number, since it is smaller than the sum of its proper divisors (125991719718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123130031322 is a wasteful number, since it uses less digits than its factorization.
123130031322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87798.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 123130031322 its reverse (223130031321), we get a palindrome (346260062643).
Subtracting 123130031322 from its reverse (223130031321), we obtain a palindrome (99999999999).
The spelling of 123130031322 in words is "one hundred twenty-three billion, one hundred thirty million, thirty-one thousand, three hundred twenty-two".
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