Base | Representation |
---|---|
bin | 111000111101001101… |
… | …1011111101001000011 |
3 | 102200201012200212211010 |
4 | 1301322123133221003 |
5 | 4000444124042011 |
6 | 132105002252003 |
7 | 11560014204360 |
oct | 1617233375103 |
9 | 380635625733 |
10 | 122313112131 |
11 | 47966621541 |
12 | 1b8564b7003 |
13 | b6c34a0782 |
14 | 5cc4629467 |
15 | 32ad0b71a6 |
hex | 1c7a6dfa43 |
122313112131 has 16 divisors (see below), whose sum is σ = 194485446144. Its totient is φ = 66854371584.
The previous prime is 122313112081. The next prime is 122313112169. The reversal of 122313112131 is 131211313221.
It is not a de Polignac number, because 122313112131 - 26 = 122313112067 is a prime.
It is a super-2 number, since 2×1223131121312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 122313112098 and 122313112107.
It is not an unprimeable number, because it can be changed into a prime (122313112331) 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, 126617646 + ... + 126618611.
It is an arithmetic number, because the mean of its divisors is an integer number (12155340384).
Almost surely, 2122313112131 is an apocalyptic number.
122313112131 is a deficient number, since it is larger than the sum of its proper divisors (72172334013).
122313112131 is a wasteful number, since it uses less digits than its factorization.
122313112131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253236290.
The product of its digits is 216, while the sum is 21.
Adding to 122313112131 its reverse (131211313221), we get a palindrome (253524425352).
The spelling of 122313112131 in words is "one hundred twenty-two billion, three hundred thirteen million, one hundred twelve thousand, one hundred thirty-one".
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