Base | Representation |
---|---|
bin | 10000001010111000101… |
… | …100011100011101010100 |
3 | 10221020012110020221120012 |
4 | 100022320230130131110 |
5 | 121201214224033022 |
6 | 2210251153055352 |
7 | 143165402015060 |
oct | 20127054343524 |
9 | 3836173227505 |
10 | 1111200221012 |
11 | 3992916128a2 |
12 | 15b436857558 |
13 | 80a2a33669b |
14 | 3bad4bb6aa0 |
15 | 1dd88ddede2 |
hex | 102b8b1c754 |
1111200221012 has 48 divisors (see below), whose sum is σ = 2229302275200. Its totient is φ = 474750364032.
The previous prime is 1111200220997. The next prime is 1111200221039. The reversal of 1111200221012 is 2101220021111.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50285438 + ... + 50307530.
It is an arithmetic number, because the mean of its divisors is an integer number (46443797400).
Almost surely, 21111200221012 is an apocalyptic number.
It is an amenable number.
1111200221012 is an abundant number, since it is smaller than the sum of its proper divisors (1118102054188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111200221012 is a wasteful number, since it uses less digits than its factorization.
1111200221012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27600 (or 27598 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1111200221012 its reverse (2101220021111), we get a palindrome (3212420242123).
The spelling of 1111200221012 in words is "one trillion, one hundred eleven billion, two hundred million, two hundred twenty-one thousand, twelve".
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