Base | Representation |
---|---|
bin | 10011000010010110… |
… | …00011001110010011 |
3 | 222101021011000222222 |
4 | 21201023003032103 |
5 | 131412334040311 |
6 | 4410050451255 |
7 | 511160306435 |
oct | 114113031623 |
9 | 28337130888 |
10 | 10220221331 |
11 | 4375059611 |
12 | 1b92893b2b |
13 | c6b504858 |
14 | 6cd4ca655 |
15 | 3ec3adadb |
hex | 2612c3393 |
10220221331 has 8 divisors (see below), whose sum is σ = 10472432544. Its totient is φ = 9968150080.
The previous prime is 10220221229. The next prime is 10220221337. The reversal of 10220221331 is 13312202201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10220221331 is a prime.
It is a super-2 number, since 2×102202213312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10220221337) 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, 121361 + ... + 187533.
It is an arithmetic number, because the mean of its divisors is an integer number (1309054068).
Almost surely, 210220221331 is an apocalyptic number.
10220221331 is a deficient number, since it is larger than the sum of its proper divisors (252211213).
10220221331 is an equidigital number, since it uses as much as digits as its factorization.
10220221331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69981.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 10220221331 its reverse (13312202201), we get a palindrome (23532423532).
The spelling of 10220221331 in words is "ten billion, two hundred twenty million, two hundred twenty-one thousand, three hundred thirty-one".
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