Base | Representation |
---|---|
bin | 10000001011110100111… |
… | …000110111111011010010 |
3 | 10221022210211112201211220 |
4 | 100023310320313323102 |
5 | 121210301242042320 |
6 | 2210535310345510 |
7 | 143232413653221 |
oct | 20136470677322 |
9 | 3838724481756 |
10 | 1112210112210 |
11 | 39975a68201a |
12 | 15b678abb296 |
13 | 80b5b627a42 |
14 | 3bb8cd7acb8 |
15 | 1dde78c6e40 |
hex | 102f4e37ed2 |
1112210112210 has 64 divisors (see below), whose sum is σ = 2697033314304. Its totient is φ = 293514084800.
The previous prime is 1112210112179. The next prime is 1112210112239. The reversal of 1112210112210 is 122110122111.
It is a happy number.
It is a super-2 number, since 2×11122101122102 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1112210112210.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2938495 + ... + 3295325.
It is an arithmetic number, because the mean of its divisors is an integer number (42141145536).
Almost surely, 21112210112210 is an apocalyptic number.
1112210112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1112210112210 is an abundant number, since it is smaller than the sum of its proper divisors (1584823202094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1112210112210 is a wasteful number, since it uses less digits than its factorization.
1112210112210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357919.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 1112210112210 its reverse (122110122111), we get a palindrome (1234320234321).
Subtracting from 1112210112210 its reverse (122110122111), we obtain a palindrome (990099990099).
The spelling of 1112210112210 in words is "one trillion, one hundred twelve billion, two hundred ten million, one hundred twelve thousand, two hundred ten".
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