Base | Representation |
---|---|
bin | 111100100010001… |
… | …1101011110110111 |
3 | 12020120002021200112 |
4 | 1321010131132313 |
5 | 13124442244341 |
6 | 533315533235 |
7 | 101223010151 |
oct | 17104353667 |
9 | 5216067615 |
10 | 2031212471 |
11 | 952625aa2 |
12 | 4882ba21b |
13 | 264a85192 |
14 | 153aa1ad1 |
15 | bd4caaeb |
hex | 7911d7b7 |
2031212471 has 2 divisors, whose sum is σ = 2031212472. Its totient is φ = 2031212470.
The previous prime is 2031212467. The next prime is 2031212507. The reversal of 2031212471 is 1742121302.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2031212471 - 22 = 2031212467 is a prime.
It is a super-3 number, since 3×20312124713 (a number of 29 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2031211471) 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 as a sum of consecutive naturals, namely, 1015606235 + 1015606236.
It is an arithmetic number, because the mean of its divisors is an integer number (1015606236).
Almost surely, 22031212471 is an apocalyptic number.
2031212471 is a deficient number, since it is larger than the sum of its proper divisors (1).
2031212471 is an equidigital number, since it uses as much as digits as its factorization.
2031212471 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 2031212471 is about 45068.9745945035. The cubic root of 2031212471 is about 1266.4414551663.
Adding to 2031212471 its reverse (1742121302), we get a palindrome (3773333773).
The spelling of 2031212471 in words is "two billion, thirty-one million, two hundred twelve thousand, four hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •