Base | Representation |
---|---|
bin | 1010100001000101011… |
… | …1100101111000111101 |
3 | 122021100220100012021102 |
4 | 2220101113211320331 |
5 | 10430013041223423 |
6 | 215000411542445 |
7 | 16024263601145 |
oct | 2502127457075 |
9 | 567326305242 |
10 | 180680023613 |
11 | 6a698187a71 |
12 | 2b02545aa25 |
13 | 140657ab19b |
14 | 8a60253925 |
15 | 4a77281c28 |
hex | 2a115e5e3d |
180680023613 has 4 divisors (see below), whose sum is σ = 190189498560. Its totient is φ = 171170548668.
The previous prime is 180680023609. The next prime is 180680023621. The reversal of 180680023613 is 316320086081.
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 not a de Polignac number, because 180680023613 - 22 = 180680023609 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 (180680023633) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4754737445 + ... + 4754737482.
It is an arithmetic number, because the mean of its divisors is an integer number (47547374640).
Almost surely, 2180680023613 is an apocalyptic number.
It is an amenable number.
180680023613 is a deficient number, since it is larger than the sum of its proper divisors (9509474947).
180680023613 is an equidigital number, since it uses as much as digits as its factorization.
180680023613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9509474946.
The product of its (nonzero) digits is 41472, while the sum is 38.
The spelling of 180680023613 in words is "one hundred eighty billion, six hundred eighty million, twenty-three thousand, six hundred thirteen".
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