Base | Representation |
---|---|
bin | 111110000111101… |
… | …011010111001101 |
3 | 2200122002020122111 |
4 | 332013223113031 |
5 | 4113300400023 |
6 | 251225544021 |
7 | 34553361001 |
oct | 7607532715 |
9 | 2618066574 |
10 | 1042200013 |
11 | 495327328 |
12 | 251045011 |
13 | 137bc41ca |
14 | 9c5b4701 |
15 | 6176a00d |
hex | 3e1eb5cd |
1042200013 has 4 divisors (see below), whose sum is σ = 1059864480. Its totient is φ = 1024535548.
The previous prime is 1042200007. The next prime is 1042200023. The reversal of 1042200013 is 3100022401.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1042200013 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1042199966 and 1042200002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042200023) 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 3 ways as a sum of consecutive naturals, for example, 8832145 + ... + 8832262.
It is an arithmetic number, because the mean of its divisors is an integer number (264966120).
Almost surely, 21042200013 is an apocalyptic number.
It is an amenable number.
1042200013 is a deficient number, since it is larger than the sum of its proper divisors (17664467).
1042200013 is an equidigital number, since it uses as much as digits as its factorization.
1042200013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17664466.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1042200013 is about 32283.1227268986. The cubic root of 1042200013 is about 1013.8733121501.
Adding to 1042200013 its reverse (3100022401), we get a palindrome (4142222414).
The spelling of 1042200013 in words is "one billion, forty-two million, two hundred thousand, thirteen".
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