Base | Representation |
---|---|
bin | 1011000111011111000001… |
… | …0010000011000010111111 |
3 | 1121021112020202010112202220 |
4 | 2301313300102003002333 |
5 | 3100231120041020111 |
6 | 41555133332020423 |
7 | 2401045422043602 |
oct | 261676022030277 |
9 | 47245222115686 |
10 | 12223213220031 |
11 | 3992921227870 |
12 | 1454b35461713 |
13 | 6a884b0035c8 |
14 | 30386ca12339 |
15 | 162e49270e06 |
hex | b1df04830bf |
12223213220031 has 32 divisors (see below), whose sum is σ = 18178926329088. Its totient is φ = 7243303664640.
The previous prime is 12223213219999. The next prime is 12223213220041. The reversal of 12223213220031 is 13002231232221.
12223213220031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12223213220031 - 25 = 12223213219999 is a prime.
It is a super-2 number, since 2×122232132200312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12223213219983 and 12223213220010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12223213220041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22737696 + ... + 23269061.
It is an arithmetic number, because the mean of its divisors is an integer number (568091447784).
Almost surely, 212223213220031 is an apocalyptic number.
12223213220031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12223213220031 is a deficient number, since it is larger than the sum of its proper divisors (5955713109057).
12223213220031 is a wasteful number, since it uses less digits than its factorization.
12223213220031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46006951.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 12223213220031 its reverse (13002231232221), we get a palindrome (25225444452252).
The spelling of 12223213220031 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirteen million, two hundred twenty thousand, thirty-one".
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