Base | Representation |
---|---|
bin | 1110100101110… |
… | …1111001011011 |
3 | 11021011101101011 |
4 | 3221131321123 |
5 | 111131431021 |
6 | 10023434351 |
7 | 1342131343 |
oct | 351357133 |
9 | 137141334 |
10 | 61202011 |
11 | 31601a82 |
12 | 185b59b7 |
13 | c8ab110 |
14 | 81b1d23 |
15 | 558dde1 |
hex | 3a5de5b |
61202011 has 16 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 53333280.
The previous prime is 61202003. The next prime is 61202017. The reversal of 61202011 is 11020216.
It is not a de Polignac number, because 61202011 - 23 = 61202003 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 61201982 and 61202000.
It is not an unprimeable number, because it can be changed into a prime (61202017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22326 + ... + 24916.
It is an arithmetic number, because the mean of its divisors is an integer number (4354560).
Almost surely, 261202011 is an apocalyptic number.
61202011 is a deficient number, since it is larger than the sum of its proper divisors (8470949).
61202011 is a wasteful number, since it uses less digits than its factorization.
61202011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2706.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 61202011 is about 7823.1714157367. The cubic root of 61202011 is about 394.0837836201.
Adding to 61202011 its reverse (11020216), we get a palindrome (72222227).
The spelling of 61202011 in words is "sixty-one million, two hundred two thousand, eleven".
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