Base | Representation |
---|---|
bin | 10000001011101111000… |
… | …010101011111101010011 |
3 | 10221022112222222012110101 |
4 | 100023233002223331103 |
5 | 121210101134140311 |
6 | 2210521444113231 |
7 | 143230113132043 |
oct | 20135702537523 |
9 | 3838488865411 |
10 | 1112112021331 |
11 | 39970a274983 |
12 | 15b650095817 |
13 | 80b442021bc |
14 | 3bb7dd25723 |
15 | 1dddde9cec1 |
hex | 102ef0abf53 |
1112112021331 has 16 divisors (see below), whose sum is σ = 1181988960640. Its totient is φ = 1043415250560.
The previous prime is 1112112021299. The next prime is 1112112021341. The reversal of 1112112021331 is 1331202112111.
It is a cyclic number.
It is not a de Polignac number, because 1112112021331 - 25 = 1112112021299 is a prime.
It is a super-3 number, since 3×11121120213313 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1112112021299 and 1112112021308.
It is not an unprimeable number, because it can be changed into a prime (1112112021341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242011 + ... + 1510891.
It is an arithmetic number, because the mean of its divisors is an integer number (73874310040).
Almost surely, 21112112021331 is an apocalyptic number.
1112112021331 is a deficient number, since it is larger than the sum of its proper divisors (69876939309).
1112112021331 is a wasteful number, since it uses less digits than its factorization.
1112112021331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1269346.
The product of its (nonzero) digits is 72, while the sum is 19.
Adding to 1112112021331 its reverse (1331202112111), we get a palindrome (2443314133442).
The spelling of 1112112021331 in words is "one trillion, one hundred twelve billion, one hundred twelve million, twenty-one thousand, three hundred thirty-one".
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