Base | Representation |
---|---|
bin | 10110101110010111… |
… | …01110011111000101 |
3 | 1011111020122210200201 |
4 | 23113023232133011 |
5 | 144441212010041 |
6 | 5334334410501 |
7 | 611221136611 |
oct | 132713563705 |
9 | 34436583621 |
10 | 12200110021 |
11 | 51a070a260 |
12 | 2445960a31 |
13 | 11c5759c18 |
14 | 83a42c341 |
15 | 4b60ec631 |
hex | 2d72ee7c5 |
12200110021 has 8 divisors (see below), whose sum is σ = 13768149600. Its totient is φ = 10708560240.
The previous prime is 12200110009. The next prime is 12200110033. The reversal of 12200110021 is 12001100221.
It is an interprime number because it is at equal distance from previous prime (12200110009) and next prime (12200110033).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12200110021 - 217 = 12199978949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200110421) 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, 19122111 + ... + 19122748.
It is an arithmetic number, because the mean of its divisors is an integer number (1721018700).
Almost surely, 212200110021 is an apocalyptic number.
12200110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12200110021 is a deficient number, since it is larger than the sum of its proper divisors (1568039579).
12200110021 is a wasteful number, since it uses less digits than its factorization.
12200110021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38244899.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 12200110021 its reverse (12001100221), we get a palindrome (24201210242).
It can be divided in two parts, 12200 and 110021, that added together give a palindrome (122221).
The spelling of 12200110021 in words is "twelve billion, two hundred million, one hundred ten thousand, twenty-one".
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