Base | Representation |
---|---|
bin | 10001110010011111011… |
… | …010010111011011101011 |
3 | 11022212100022022110121001 |
4 | 101302133122113123223 |
5 | 130012031432414011 |
6 | 2333330015055431 |
7 | 154214221523140 |
oct | 21623732273353 |
9 | 4285308273531 |
10 | 1222445201131 |
11 | 4314884a09a0 |
12 | 178b02511577 |
13 | 8b3787462cb |
14 | 432494783c7 |
15 | 21bea45a7c1 |
hex | 11c9f6976eb |
1222445201131 has 32 divisors (see below), whose sum is σ = 1614075517440. Its totient is φ = 896335526400.
The previous prime is 1222445201111. The next prime is 1222445201143. The reversal of 1222445201131 is 1311025442221.
It is a happy number.
It is not a de Polignac number, because 1222445201131 - 225 = 1222411646699 is a prime.
It is a super-2 number, since 2×12224452011312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1222445201131.
It is not an unprimeable number, because it can be changed into a prime (1222445201111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6359985 + ... + 6549373.
It is an arithmetic number, because the mean of its divisors is an integer number (50439859920).
Almost surely, 21222445201131 is an apocalyptic number.
1222445201131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1222445201131 is a deficient number, since it is larger than the sum of its proper divisors (391630316309).
1222445201131 is a wasteful number, since it uses less digits than its factorization.
1222445201131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194355.
The product of its (nonzero) digits is 3840, while the sum is 28.
The spelling of 1222445201131 in words is "one trillion, two hundred twenty-two billion, four hundred forty-five million, two hundred one thousand, one hundred thirty-one".
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