Base | Representation |
---|---|
bin | 111000110111110010… |
… | …1101011100101100011 |
3 | 102200020112110110201120 |
4 | 1301233211223211203 |
5 | 4000111043424443 |
6 | 132034544103323 |
7 | 11552345232024 |
oct | 1615745534543 |
9 | 380215413646 |
10 | 122131233123 |
11 | 47882996109 |
12 | 1b805604b43 |
13 | b6948bc563 |
14 | 5ca8402c4b |
15 | 329c13c083 |
hex | 1c6f96b963 |
122131233123 has 16 divisors (see below), whose sum is σ = 165321616896. Its totient is φ = 80183425280.
The previous prime is 122131233109. The next prime is 122131233137. The reversal of 122131233123 is 321332131221.
It is an interprime number because it is at equal distance from previous prime (122131233109) and next prime (122131233137).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122131233123 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122131233093 and 122131233102.
It is not an unprimeable number, because it can be changed into a prime (122131233823) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134286 + ... + 512147.
It is an arithmetic number, because the mean of its divisors is an integer number (10332601056).
Almost surely, 2122131233123 is an apocalyptic number.
122131233123 is a deficient number, since it is larger than the sum of its proper divisors (43190383773).
122131233123 is an equidigital number, since it uses as much as digits as its factorization.
122131233123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 647394.
The product of its digits is 1296, while the sum is 24.
Adding to 122131233123 its reverse (321332131221), we get a palindrome (443463364344).
The spelling of 122131233123 in words is "one hundred twenty-two billion, one hundred thirty-one million, two hundred thirty-three thousand, one hundred twenty-three".
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