Base | Representation |
---|---|
bin | 10001100111111011110… |
… | …010000011000101011110 |
3 | 11021210002100011011020212 |
4 | 101213323302003011132 |
5 | 124320323130324410 |
6 | 2324213134412422 |
7 | 153333302145230 |
oct | 21477362030536 |
9 | 4253070134225 |
10 | 1211110011230 |
11 | 4276a1033a59 |
12 | 17687a361112 |
13 | 8a29024c852 |
14 | 42891c74250 |
15 | 2178525ab05 |
hex | 119fbc8315e |
1211110011230 has 256 divisors, whose sum is σ = 2788933939200. Its totient is φ = 369150566400.
The previous prime is 1211110011229. The next prime is 1211110011271. The reversal of 1211110011230 is 321100111121.
It is a super-2 number, since 2×12111100112302 (a number of 25 digits) contains 22 as substring.
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 127 ways as a sum of consecutive naturals, for example, 349121936 + ... + 349125404.
It is an arithmetic number, because the mean of its divisors is an integer number (10894273200).
Almost surely, 21211110011230 is an apocalyptic number.
1211110011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1211110011230 is an abundant number, since it is smaller than the sum of its proper divisors (1577823927970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1211110011230 is a wasteful number, since it uses less digits than its factorization.
1211110011230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3739.
The product of its (nonzero) digits is 12, while the sum is 14.
Adding to 1211110011230 its reverse (321100111121), we get a palindrome (1532210122351).
The spelling of 1211110011230 in words is "one trillion, two hundred eleven billion, one hundred ten million, eleven thousand, two hundred thirty".
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