Base | Representation |
---|---|
bin | 1011001100101010100110… |
… | …1100101011001010111000 |
3 | 1121121001000000100200102112 |
4 | 2303022221230223022320 |
5 | 3103210413133043000 |
6 | 42104053551351452 |
7 | 2410346241360365 |
oct | 263125154531270 |
9 | 47531000320375 |
10 | 12312223331000 |
11 | 3a1764810064a |
12 | 146a236822588 |
13 | 6b4064a18918 |
14 | 307cb427546c |
15 | 165408767235 |
hex | b32a9b2b2b8 |
12312223331000 has 64 divisors (see below), whose sum is σ = 28955379960000. Its totient is φ = 4900141065600.
The previous prime is 12312223330993. The next prime is 12312223331017. The reversal of 12312223331000 is 13332221321.
12312223331000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×123122233310002 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
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, 30736235 + ... + 31134234.
It is an arithmetic number, because the mean of its divisors is an integer number (452427811875).
Almost surely, 212312223331000 is an apocalyptic number.
12312223331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12312223331000 is an abundant number, since it is smaller than the sum of its proper divisors (16643156629000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12312223331000 is a wasteful number, since it uses less digits than its factorization.
12312223331000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61870689 (or 61870675 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 12312223331000 its reverse (13332221321), we get a palindrome (12325555552321).
The spelling of 12312223331000 in words is "twelve trillion, three hundred twelve billion, two hundred twenty-three million, three hundred thirty-one thousand".
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