Base | Representation |
---|---|
bin | 111001001000110001… |
… | …010100011010011001 |
3 | 12212100121122202221112 |
4 | 321020301110122121 |
5 | 2001121202232421 |
6 | 44103424350105 |
7 | 4301215024313 |
oct | 711061243231 |
9 | 185317582845 |
10 | 61350430361 |
11 | 2402279a410 |
12 | ba82175335 |
13 | 5a294713cc |
14 | 2d7dd807b3 |
15 | 18e10a545b |
hex | e48c54699 |
61350430361 has 16 divisors (see below), whose sum is σ = 70476380160. Its totient is φ = 52818097680.
The previous prime is 61350430357. The next prime is 61350430363. The reversal of 61350430361 is 16303405316.
It is a cyclic number.
It is not a de Polignac number, because 61350430361 - 22 = 61350430357 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61350430363) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525260 + ... + 631346.
It is an arithmetic number, because the mean of its divisors is an integer number (4404773760).
Almost surely, 261350430361 is an apocalyptic number.
It is an amenable number.
61350430361 is a deficient number, since it is larger than the sum of its proper divisors (9125949799).
61350430361 is a wasteful number, since it uses less digits than its factorization.
61350430361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108884.
The product of its (nonzero) digits is 19440, while the sum is 32.
Adding to 61350430361 its reverse (16303405316), we get a palindrome (77653835677).
The spelling of 61350430361 in words is "sixty-one billion, three hundred fifty million, four hundred thirty thousand, three hundred sixty-one".
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