Base | Representation |
---|---|
bin | 110011101111010101… |
… | …1000101110001110100 |
3 | 101121210110002211211210 |
4 | 1213132223011301310 |
5 | 3310023131121322 |
6 | 123013201201420 |
7 | 11012260405662 |
oct | 1473653056164 |
9 | 347713084753 |
10 | 111110020212 |
11 | 43137789794 |
12 | 1964a630270 |
13 | a6294786b9 |
14 | 55407adc32 |
15 | 2d547ac70c |
hex | 19deac5c74 |
111110020212 has 48 divisors (see below), whose sum is σ = 270555868800. Its totient is φ = 35422831488.
The previous prime is 111110020211. The next prime is 111110020243. The reversal of 111110020212 is 212020011111.
It is a super-2 number, since 2×1111100202122 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (111110020211) 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, 4960414 + ... + 4982762.
It is an arithmetic number, because the mean of its divisors is an integer number (5636580600).
Almost surely, 2111110020212 is an apocalyptic number.
111110020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
111110020212 is an abundant number, since it is smaller than the sum of its proper divisors (159445848588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111110020212 is a wasteful number, since it uses less digits than its factorization.
111110020212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40392 (or 40390 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 111110020212 its reverse (212020011111), we get a palindrome (323130031323).
The spelling of 111110020212 in words is "one hundred eleven billion, one hundred ten million, twenty thousand, two hundred twelve".
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