Base | Representation |
---|---|
bin | 1000110010100010101… |
… | …01100101000011101111 |
3 | 1001212112202110120121201 |
4 | 10121101111211003233 |
5 | 14422010123301111 |
6 | 350424220110331 |
7 | 30551101244410 |
oct | 4312125450357 |
9 | 1055482416551 |
10 | 302012322031 |
11 | 1070a009a662 |
12 | 4a6473953a7 |
13 | 226309cb6c4 |
14 | 108904c7807 |
15 | 7cc91a76c1 |
hex | 46515650ef |
302012322031 has 4 divisors (see below), whose sum is σ = 345156939472. Its totient is φ = 258867704592.
The previous prime is 302012322023. The next prime is 302012322083. The reversal of 302012322031 is 130223210203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130223210203 = 577 ⋅225690139.
It is not a de Polignac number, because 302012322031 - 23 = 302012322023 is a prime.
It is a super-2 number, since 2×3020123220312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (302012322091) 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 3 ways as a sum of consecutive naturals, for example, 21572308710 + ... + 21572308723.
It is an arithmetic number, because the mean of its divisors is an integer number (86289234868).
Almost surely, 2302012322031 is an apocalyptic number.
302012322031 is a deficient number, since it is larger than the sum of its proper divisors (43144617441).
302012322031 is an equidigital number, since it uses as much as digits as its factorization.
302012322031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43144617440.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 302012322031 its reverse (130223210203), we get a palindrome (432235532234).
The spelling of 302012322031 in words is "three hundred two billion, twelve million, three hundred twenty-two thousand, thirty-one".
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