Base | Representation |
---|---|
bin | 100011110001100… |
… | …1111110001111101 |
3 | 10002122210202102120 |
4 | 1013203033301331 |
5 | 4424302001023 |
6 | 315041113153 |
7 | 41514263430 |
oct | 10743176175 |
9 | 3078722376 |
10 | 1200422013 |
11 | 56667490a |
12 | 2960287b9 |
13 | 1619115ab |
14 | b55dd817 |
15 | 705c08e3 |
hex | 478cfc7d |
1200422013 has 16 divisors (see below), whose sum is σ = 1871755776. Its totient is φ = 670002480.
The previous prime is 1200421987. The next prime is 1200422023. The reversal of 1200422013 is 3102240021.
It is not a de Polignac number, because 1200422013 - 26 = 1200421949 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1200421983 and 1200422001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200422023) 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 15 ways as a sum of consecutive naturals, for example, 663783 + ... + 665588.
It is an arithmetic number, because the mean of its divisors is an integer number (116984736).
Almost surely, 21200422013 is an apocalyptic number.
It is an amenable number.
1200422013 is a deficient number, since it is larger than the sum of its proper divisors (671333763).
1200422013 is a wasteful number, since it uses less digits than its factorization.
1200422013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1329424.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1200422013 is about 34647.1068489131. The cubic root of 1200422013 is about 1062.7831256188.
Adding to 1200422013 its reverse (3102240021), we get a palindrome (4302662034).
The spelling of 1200422013 in words is "one billion, two hundred million, four hundred twenty-two thousand, thirteen".
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