Base | Representation |
---|---|
bin | 10011000010010100… |
… | …01111111011011111 |
3 | 222101020202100210111 |
4 | 21201022033323133 |
5 | 131412310324411 |
6 | 4410042150451 |
7 | 511155443053 |
oct | 114112177337 |
9 | 28336670714 |
10 | 10220011231 |
11 | 4374a25781 |
12 | 1b927b2427 |
13 | c6b460031 |
14 | 6cd473c63 |
15 | 3ec36b721 |
hex | 26128fedf |
10220011231 has 4 divisors (see below), whose sum is σ = 10223044552. Its totient is φ = 10216977912.
The previous prime is 10220011229. The next prime is 10220011237. The reversal of 10220011231 is 13211002201.
10220011231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10220011231 - 21 = 10220011229 is a prime.
It is a super-2 number, since 2×102200112312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10220011237) 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, 1511601 + ... + 1518346.
It is an arithmetic number, because the mean of its divisors is an integer number (2555761138).
Almost surely, 210220011231 is an apocalyptic number.
10220011231 is a deficient number, since it is larger than the sum of its proper divisors (3033321).
10220011231 is an equidigital number, since it uses as much as digits as its factorization.
10220011231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3033320.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 10220011231 its reverse (13211002201), we get a palindrome (23431013432).
The spelling of 10220011231 in words is "ten billion, two hundred twenty million, eleven thousand, two hundred thirty-one".
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