Base | Representation |
---|---|
bin | 1010100001101110101… |
… | …1011101101100011001 |
3 | 122021210221211120020110 |
4 | 2220123223131230121 |
5 | 10430341332130311 |
6 | 215025511314533 |
7 | 16031464115250 |
oct | 2503353355431 |
9 | 567727746213 |
10 | 180853005081 |
11 | 6a776896561 |
12 | 2b07337ba49 |
13 | 14092595598 |
14 | 8a79201797 |
15 | 4a875508a6 |
hex | 2a1baddb19 |
180853005081 has 8 divisors (see below), whose sum is σ = 275585531584. Its totient is φ = 103344574320.
The previous prime is 180853005049. The next prime is 180853005131. The reversal of 180853005081 is 180500358081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 180853005081 - 25 = 180853005049 is a prime.
It is a super-2 number, since 2×1808530050812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (180853001081) 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, 4306023910 + ... + 4306023951.
It is an arithmetic number, because the mean of its divisors is an integer number (34448191448).
Almost surely, 2180853005081 is an apocalyptic number.
It is an amenable number.
180853005081 is a deficient number, since it is larger than the sum of its proper divisors (94732526503).
180853005081 is an equidigital number, since it uses as much as digits as its factorization.
180853005081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8612047871.
The product of its (nonzero) digits is 38400, while the sum is 39.
The spelling of 180853005081 in words is "one hundred eighty billion, eight hundred fifty-three million, five thousand, eighty-one".
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