Base | Representation |
---|---|
bin | 100011110011010… |
… | …1101011101100111 |
3 | 10002201111212222120 |
4 | 1013212231131213 |
5 | 4430020030043 |
6 | 315112401023 |
7 | 41525064615 |
oct | 10746553547 |
9 | 3081455876 |
10 | 1201330023 |
11 | 567135033 |
12 | 2963a6173 |
13 | 161b6b98a |
14 | b57986b5 |
15 | 706ee983 |
hex | 479ad767 |
1201330023 has 8 divisors (see below), whose sum is σ = 1645064688. Its totient is φ = 779241024.
The previous prime is 1201330021. The next prime is 1201330037. The reversal of 1201330023 is 3200331021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1201330023 - 21 = 1201330021 is a prime.
It is a super-2 number, since 2×12013300232 = 2886387648322361058, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1201329984 and 1201330011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201330021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5411286 + ... + 5411507.
It is an arithmetic number, because the mean of its divisors is an integer number (205633086).
Almost surely, 21201330023 is an apocalyptic number.
1201330023 is a deficient number, since it is larger than the sum of its proper divisors (443734665).
1201330023 is a wasteful number, since it uses less digits than its factorization.
1201330023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10822833.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1201330023 is about 34660.2080634263. The cubic root of 1201330023 is about 1063.0510243194.
Adding to 1201330023 its reverse (3200331021), we get a palindrome (4401661044).
The spelling of 1201330023 in words is "one billion, two hundred one million, three hundred thirty thousand, twenty-three".
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