Base | Representation |
---|---|
bin | 100011110011010… |
… | …1001000111001001 |
3 | 10002201110222112111 |
4 | 1013212221013021 |
5 | 4430013442301 |
6 | 315112142321 |
7 | 41524661635 |
oct | 10746510711 |
9 | 3081428474 |
10 | 1201312201 |
11 | 567122701 |
12 | 2963979a1 |
13 | 161b6382b |
14 | b5791dc5 |
15 | 706e9551 |
hex | 479a91c9 |
1201312201 has 8 divisors (see below), whose sum is σ = 1208585664. Its totient is φ = 1194059760.
The previous prime is 1201312193. The next prime is 1201312207. The reversal of 1201312201 is 1022131021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1201312201 - 23 = 1201312193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1201312207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117931 + ... + 127711.
It is an arithmetic number, because the mean of its divisors is an integer number (151073208).
Almost surely, 21201312201 is an apocalyptic number.
It is an amenable number.
1201312201 is a deficient number, since it is larger than the sum of its proper divisors (7273463).
1201312201 is an equidigital number, since it uses as much as digits as its factorization.
1201312201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10511.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1201312201 is about 34659.9509664973. The cubic root of 1201312201 is about 1063.0457674267.
Adding to 1201312201 its reverse (1022131021), we get a palindrome (2223443222).
The spelling of 1201312201 in words is "one billion, two hundred one million, three hundred twelve thousand, two hundred one".
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