Base | Representation |
---|---|
bin | 111000110101100000… |
… | …0001110010101101011 |
3 | 102200001011201010100200 |
4 | 1301223000032111223 |
5 | 3444431400231011 |
6 | 132023155203243 |
7 | 11550422322123 |
oct | 1615300162553 |
9 | 380034633320 |
10 | 122054305131 |
11 | 47843522a60 |
12 | 1b7a38a6523 |
13 | b681996535 |
14 | 5c9c0d9c83 |
15 | 32954e3856 |
hex | 1c6b00e56b |
122054305131 has 24 divisors (see below), whose sum is σ = 192494982576. Its totient is φ = 73908080640.
The previous prime is 122054305129. The next prime is 122054305211. The reversal of 122054305131 is 131503450221.
122054305131 is a `hidden beast` number, since 1 + 220 + 5 + 4 + 305 + 131 = 666.
It is not a de Polignac number, because 122054305131 - 21 = 122054305129 is a prime.
It is a super-2 number, since 2×1220543051312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122054305095 and 122054305104.
It is not an unprimeable number, because it can be changed into a prime (122054305231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420490 + ... + 648783.
It is an arithmetic number, because the mean of its divisors is an integer number (8020624274).
Almost surely, 2122054305131 is an apocalyptic number.
122054305131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
122054305131 is a deficient number, since it is larger than the sum of its proper divisors (70440677445).
122054305131 is a wasteful number, since it uses less digits than its factorization.
122054305131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1070443 (or 1070440 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
Adding to 122054305131 its reverse (131503450221), we get a palindrome (253557755352).
The spelling of 122054305131 in words is "one hundred twenty-two billion, fifty-four million, three hundred five thousand, one hundred thirty-one".
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