Base | Representation |
---|---|
bin | 1110001001101101100010… |
… | …01001111001111001110110 |
3 | 11002012001012000112012002110 |
4 | 13010312301021321321312 |
5 | 13034332240104120342 |
6 | 150104200233151450 |
7 | 6361226602250034 |
oct | 704666111717166 |
9 | 132161160465073 |
10 | 31120010223222 |
11 | 9a08a16523a08 |
12 | 35a732455b586 |
13 | 14497b1a6149b |
14 | 79830623b554 |
15 | 38e782364c9c |
hex | 1c4db1279e76 |
31120010223222 has 8 divisors (see below), whose sum is σ = 62240020446456. Its totient is φ = 10373336741072.
The previous prime is 31120010223221. The next prime is 31120010223299. The reversal of 31120010223222 is 22232201002113.
It is a sphenic number, since it is the product of 3 distinct primes.
31120010223222 is an admirable number.
It is a super-2 number, since 2×311200102232222 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31120010223221) 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, 2593334185263 + ... + 2593334185274.
It is an arithmetic number, because the mean of its divisors is an integer number (7780002555807).
Almost surely, 231120010223222 is an apocalyptic number.
31120010223222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31120010223222 is a wasteful number, since it uses less digits than its factorization.
31120010223222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5186668370542.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 31120010223222 its reverse (22232201002113), we get a palindrome (53352211225335).
The spelling of 31120010223222 in words is "thirty-one trillion, one hundred twenty billion, ten million, two hundred twenty-three thousand, two hundred twenty-two".
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