Base | Representation |
---|---|
bin | 1100010111010111100… |
… | …0000010101110010111 |
3 | 202022022200110002020122 |
4 | 3011311320002232113 |
5 | 11440024320213444 |
6 | 241331154022155 |
7 | 21230144621366 |
oct | 3056570025627 |
9 | 668280402218 |
10 | 212431022999 |
11 | 82100857828 |
12 | 3520687795b |
13 | 17055867aa0 |
14 | a3d305b7dd |
15 | 57d49854ee |
hex | 3175e02b97 |
212431022999 has 8 divisors (see below), whose sum is σ = 230417713680. Its totient is φ = 194679452736.
The previous prime is 212431022939. The next prime is 212431023011. The reversal of 212431022999 is 999220134212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212431022999 - 28 = 212431022743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212431022939) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58778222 + ... + 58781835.
It is an arithmetic number, because the mean of its divisors is an integer number (28802214210).
Almost surely, 2212431022999 is an apocalyptic number.
212431022999 is a deficient number, since it is larger than the sum of its proper divisors (17986690681).
212431022999 is a wasteful number, since it uses less digits than its factorization.
212431022999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117560209.
The product of its (nonzero) digits is 139968, while the sum is 44.
The spelling of 212431022999 in words is "two hundred twelve billion, four hundred thirty-one million, twenty-two thousand, nine hundred ninety-nine".
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