Base | Representation |
---|---|
bin | 111001001100111011… |
… | …000001100111000101 |
3 | 12212112110201112022002 |
4 | 321030323001213011 |
5 | 2001242020134103 |
6 | 44114353315045 |
7 | 4303022045165 |
oct | 711473014705 |
9 | 185473645262 |
10 | 61420083653 |
11 | 24059043a15 |
12 | baa1565a85 |
13 | 5a3aa1b186 |
14 | 2d893125a5 |
15 | 18e7263488 |
hex | e4cec19c5 |
61420083653 has 8 divisors (see below), whose sum is σ = 62465156160. Its totient is φ = 60375146400.
The previous prime is 61420083629. The next prime is 61420083667. The reversal of 61420083653 is 35638002416.
61420083653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61420083653 - 222 = 61415889349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61420080653) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380353 + ... + 1424153.
It is an arithmetic number, because the mean of its divisors is an integer number (7808144520).
Almost surely, 261420083653 is an apocalyptic number.
It is an amenable number.
61420083653 is a deficient number, since it is larger than the sum of its proper divisors (1045072507).
61420083653 is a wasteful number, since it uses less digits than its factorization.
61420083653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67627.
The product of its (nonzero) digits is 103680, while the sum is 38.
The spelling of 61420083653 in words is "sixty-one billion, four hundred twenty million, eighty-three thousand, six hundred fifty-three".
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