Base | Representation |
---|---|
bin | 1001100110011100010110… |
… | …10110001100101100000010 |
3 | 2202202022000200210021001221 |
4 | 10303032023112030230002 |
5 | 10231400041120041002 |
6 | 112522433225545254 |
7 | 4306204400012536 |
oct | 463161326145402 |
9 | 82668020707057 |
10 | 21112102112002 |
11 | 67aa657283990 |
12 | 244b80034522a |
13 | ba1b2a426715 |
14 | 52db8cb23bc6 |
15 | 269293027c37 |
hex | 13338b58cb02 |
21112102112002 has 32 divisors (see below), whose sum is σ = 34729241649984. Its totient is φ = 9545817600000.
The previous prime is 21112102111963. The next prime is 21112102112021. The reversal of 21112102112002 is 20021120121112.
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, 47550778 + ... + 47992714.
It is an arithmetic number, because the mean of its divisors is an integer number (1085288801562).
Almost surely, 221112102112002 is an apocalyptic number.
21112102112002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
21112102112002 is a deficient number, since it is larger than the sum of its proper divisors (13617139537982).
21112102112002 is a wasteful number, since it uses less digits than its factorization.
21112102112002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 453394.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 21112102112002 its reverse (20021120121112), we get a palindrome (41133222233114).
The spelling of 21112102112002 in words is "twenty-one trillion, one hundred twelve billion, one hundred two million, one hundred twelve thousand, two".
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