Base | Representation |
---|---|
bin | 10001101000110110111… |
… | …010001110100101011110 |
3 | 11021212122110202222102121 |
4 | 101220312322032211132 |
5 | 124324341103324410 |
6 | 2324455412413154 |
7 | 153400006046425 |
oct | 21506672164536 |
9 | 4255573688377 |
10 | 1212102011230 |
11 | 42805aa93270 |
12 | 176ab66171ba |
13 | 8a3ba9185b6 |
14 | 429478dc2bc |
15 | 217e23ab9da |
hex | 11a36e8e95e |
1212102011230 has 32 divisors (see below), whose sum is σ = 2383401646080. Its totient is φ = 440158060320.
The previous prime is 1212102011227. The next prime is 1212102011251. The reversal of 1212102011230 is 321102012121.
It is a super-2 number, since 2×12121020112302 (a number of 25 digits) contains 22 as substring.
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, 7498510 + ... + 7658449.
It is an arithmetic number, because the mean of its divisors is an integer number (74481301440).
Almost surely, 21212102011230 is an apocalyptic number.
1212102011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212102011230 is a deficient number, since it is larger than the sum of its proper divisors (1171299634850).
1212102011230 is a wasteful number, since it uses less digits than its factorization.
1212102011230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15157704.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 1212102011230 its reverse (321102012121), we get a palindrome (1533204023351).
The spelling of 1212102011230 in words is "one trillion, two hundred twelve billion, one hundred two million, eleven thousand, two hundred thirty".
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