Base | Representation |
---|---|
bin | 111001011000010011… |
… | …010100001101001101 |
3 | 12220000202222010012002 |
4 | 321120103110031031 |
5 | 2002134404010103 |
6 | 44145333322045 |
7 | 4310530602416 |
oct | 713023241515 |
9 | 186022863162 |
10 | 61611000653 |
11 | 24146892764 |
12 | bb35496325 |
13 | 5a6b445107 |
14 | 2da680c80d |
15 | 1908dc6488 |
hex | e584d434d |
61611000653 has 16 divisors (see below), whose sum is σ = 67002888960. Its totient is φ = 56423001600.
The previous prime is 61611000643. The next prime is 61611000707. The reversal of 61611000653 is 35600011616.
It is a cyclic number.
It is not a de Polignac number, because 61611000653 - 28 = 61611000397 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61611000643) 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, 147548 + ... + 380778.
It is an arithmetic number, because the mean of its divisors is an integer number (4187680560).
Almost surely, 261611000653 is an apocalyptic number.
It is an amenable number.
61611000653 is a deficient number, since it is larger than the sum of its proper divisors (5391888307).
61611000653 is a wasteful number, since it uses less digits than its factorization.
61611000653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233668.
The product of its (nonzero) digits is 3240, while the sum is 29.
The spelling of 61611000653 in words is "sixty-one billion, six hundred eleven million, six hundred fifty-three", and thus it is an aban number.
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