Base | Representation |
---|---|
bin | 10011000011101001… |
… | …00110000101010101 |
3 | 222102000122100012212 |
4 | 21201310212011111 |
5 | 131423131041041 |
6 | 4411120123205 |
7 | 511352005634 |
oct | 114164460525 |
9 | 28360570185 |
10 | 10231112021 |
11 | 4380217989 |
12 | 1b96466505 |
13 | c70848950 |
14 | 6d0b2351b |
15 | 3ed3108eb |
hex | 261d26155 |
10231112021 has 8 divisors (see below), whose sum is σ = 11018965944. Its totient is φ = 9443378880.
The previous prime is 10231111993. The next prime is 10231112041. The reversal of 10231112021 is 12021113201.
It can be written as a sum of positive squares in 4 ways, for example, as 1127280625 + 9103831396 = 33575^2 + 95414^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10231112021 - 210 = 10231110997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10231111987 and 10231112005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10231112041) 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, 226811 + ... + 268151.
It is an arithmetic number, because the mean of its divisors is an integer number (1377370743).
Almost surely, 210231112021 is an apocalyptic number.
It is an amenable number.
10231112021 is a deficient number, since it is larger than the sum of its proper divisors (787853923).
10231112021 is a wasteful number, since it uses less digits than its factorization.
10231112021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60391.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 10231112021 its reverse (12021113201), we get a palindrome (22252225222).
The spelling of 10231112021 in words is "ten billion, two hundred thirty-one million, one hundred twelve thousand, twenty-one".
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