Base | Representation |
---|---|
bin | 11101000011101111… |
… | …100000111000110110 |
3 | 2222112110202021012112 |
4 | 131003233200320312 |
5 | 1002400013100042 |
6 | 22200024051022 |
7 | 2153124450164 |
oct | 350357407066 |
9 | 88473667175 |
10 | 31201300022 |
11 | 12261358572 |
12 | 6069303a72 |
13 | 2c33223209 |
14 | 171dbd6234 |
15 | c2931e982 |
hex | 743be0e36 |
31201300022 has 8 divisors (see below), whose sum is σ = 47685005856. Its totient is φ = 15306298072.
The previous prime is 31201300007. The next prime is 31201300027. The reversal of 31201300022 is 22000310213.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×312013000222 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31201300027) 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, 147175838 + ... + 147176049.
It is an arithmetic number, because the mean of its divisors is an integer number (5960625732).
Almost surely, 231201300022 is an apocalyptic number.
31201300022 is a deficient number, since it is larger than the sum of its proper divisors (16483705834).
31201300022 is a wasteful number, since it uses less digits than its factorization.
31201300022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294351942.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 31201300022 its reverse (22000310213), we get a palindrome (53201610235).
The spelling of 31201300022 in words is "thirty-one billion, two hundred one million, three hundred thousand, twenty-two".
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