Base | Representation |
---|---|
bin | 1000110010101111101… |
… | …01010011000010100011 |
3 | 1001212211100112020110122 |
4 | 10121113311103002203 |
5 | 14422221023101011 |
6 | 350443111550455 |
7 | 30553563452000 |
oct | 4312765230243 |
9 | 1055740466418 |
10 | 302121300131 |
11 | 107146663502 |
12 | 4a67798b42b |
13 | 2264a4668a1 |
14 | 108a0b748a7 |
15 | 7cd3a323db |
hex | 4657d530a3 |
302121300131 has 32 divisors (see below), whose sum is σ = 357361392000. Its totient is φ = 255265758720.
The previous prime is 302121300127. The next prime is 302121300149. The reversal of 302121300131 is 131003121203.
It is not a de Polignac number, because 302121300131 - 22 = 302121300127 is a prime.
It is a super-2 number, since 2×3021213001312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (302121300191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77844311 + ... + 77848191.
It is an arithmetic number, because the mean of its divisors is an integer number (11167543500).
Almost surely, 2302121300131 is an apocalyptic number.
302121300131 is a deficient number, since it is larger than the sum of its proper divisors (55240091869).
302121300131 is an equidigital number, since it uses as much as digits as its factorization.
302121300131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7084 (or 7070 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 302121300131 its reverse (131003121203), we get a palindrome (433124421334).
The spelling of 302121300131 in words is "three hundred two billion, one hundred twenty-one million, three hundred thousand, one hundred thirty-one".
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