Base | Representation |
---|---|
bin | 11110110111100111111… |
… | …100101000111101001110 |
3 | 21111210110202121010011202 |
4 | 132313213330220331032 |
5 | 234223420414411342 |
6 | 4302303321545502 |
7 | 306155022061625 |
oct | 36674774507516 |
9 | 7453422533152 |
10 | 2121310310222 |
11 | 748708405414 |
12 | 2a315a645292 |
13 | 12506705651c |
14 | 74959c3c6bc |
15 | 3a2a800d332 |
hex | 1ede7f28f4e |
2121310310222 has 8 divisors (see below), whose sum is σ = 3182160261000. Its totient is φ = 1060590223224.
The previous prime is 2121310310221. The next prime is 2121310310233. The reversal of 2121310310222 is 2220130131212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2121310310194 and 2121310310203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2121310310221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32425097 + ... + 32490452.
It is an arithmetic number, because the mean of its divisors is an integer number (397770032625).
Almost surely, 22121310310222 is an apocalyptic number.
2121310310222 is a deficient number, since it is larger than the sum of its proper divisors (1060849950778).
2121310310222 is a wasteful number, since it uses less digits than its factorization.
2121310310222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64931890.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 2121310310222 its reverse (2220130131212), we get a palindrome (4341440441434).
The spelling of 2121310310222 in words is "two trillion, one hundred twenty-one billion, three hundred ten million, three hundred ten thousand, two hundred twenty-two".
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