Base | Representation |
---|---|
bin | 10001011110110011110… |
… | …001111111001101101110 |
3 | 11020211210111122202111022 |
4 | 101132303301333031232 |
5 | 124140241344214410 |
6 | 2315513011254142 |
7 | 152535430244033 |
oct | 21366361771556 |
9 | 4224714582438 |
10 | 1201312101230 |
11 | 4235233aa17a |
12 | 1749a4baa352 |
13 | 8938b39ba77 |
14 | 422028b938a |
15 | 213aeebb455 |
hex | 117b3c7f36e |
1201312101230 has 16 divisors (see below), whose sum is σ = 2162422084464. Its totient is φ = 480511440000.
The previous prime is 1201312101217. The next prime is 1201312101299. The reversal of 1201312101230 is 321012131021.
It is a junction number, because it is equal to n+sod(n) for n = 1201312101199 and 1201312101208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294427 + ... + 2019446.
It is an arithmetic number, because the mean of its divisors is an integer number (135151380279).
Almost surely, 21201312101230 is an apocalyptic number.
1201312101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201312101230 is a deficient number, since it is larger than the sum of its proper divisors (961109983234).
1201312101230 is a wasteful number, since it uses less digits than its factorization.
1201312101230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3350131.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1201312101230 its reverse (321012131021), we get a palindrome (1522324232251).
The spelling of 1201312101230 in words is "one trillion, two hundred one billion, three hundred twelve million, one hundred one thousand, two hundred thirty".
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