Base | Representation |
---|---|
bin | 101111101100101100… |
… | …0111100010100101110 |
3 | 100210101121211101221100 |
4 | 1133121120330110232 |
5 | 3134234422122342 |
6 | 115020101143530 |
7 | 10254226615224 |
oct | 1373130742456 |
9 | 323347741840 |
10 | 102431442222 |
11 | 3a49397368a |
12 | 17a280baba6 |
13 | 9875486955 |
14 | 4d59d46b14 |
15 | 29e7921e4c |
hex | 17d963c52e |
102431442222 has 48 divisors (see below), whose sum is σ = 235162811520. Its totient is φ = 32132538000.
The previous prime is 102431442221. The next prime is 102431442247. The reversal of 102431442222 is 222244134201.
It is a happy number.
102431442222 is a `hidden beast` number, since 1 + 0 + 2 + 431 + 4 + 4 + 2 + 222 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102431442221) 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, 940104 + ... + 1043387.
It is an arithmetic number, because the mean of its divisors is an integer number (4899225240).
Almost surely, 2102431442222 is an apocalyptic number.
102431442222 is an abundant number, since it is smaller than the sum of its proper divisors (132731369298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102431442222 is a wasteful number, since it uses less digits than its factorization.
102431442222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1983669 (or 1983666 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 102431442222 its reverse (222244134201), we get a palindrome (324675576423).
The spelling of 102431442222 in words is "one hundred two billion, four hundred thirty-one million, four hundred forty-two thousand, two hundred twenty-two".
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