Base | Representation |
---|---|
bin | 11001010100101001… |
… | …101101010010100011 |
3 | 2121011220211022001011 |
4 | 121110221231102203 |
5 | 421141121221311 |
6 | 20254012321351 |
7 | 1651536246022 |
oct | 312451552243 |
9 | 77156738034 |
10 | 27190023331 |
11 | 10593071a69 |
12 | 5329a73257 |
13 | 2744183b03 |
14 | 145d1888b9 |
15 | a920bd321 |
hex | 654a6d4a3 |
27190023331 has 12 divisors (see below), whose sum is σ = 27428463216. Its totient is φ = 26952912560.
The previous prime is 27190023323. The next prime is 27190023347. The reversal of 27190023331 is 13332009172.
It is a happy number.
It is not a de Polignac number, because 27190023331 - 23 = 27190023323 is a prime.
It is a super-2 number, since 2×271900233312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 27190023293 and 27190023302.
It is not an unprimeable number, because it can be changed into a prime (27190023361) 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 11 ways as a sum of consecutive naturals, for example, 36594546 + ... + 36595288.
It is an arithmetic number, because the mean of its divisors is an integer number (2285705268).
Almost surely, 227190023331 is an apocalyptic number.
27190023331 is a deficient number, since it is larger than the sum of its proper divisors (238439885).
27190023331 is an frugal number, since it uses more digits than its factorization.
27190023331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1802 (or 1371 counting only the distinct ones).
The product of its (nonzero) digits is 6804, while the sum is 31.
The spelling of 27190023331 in words is "twenty-seven billion, one hundred ninety million, twenty-three thousand, three hundred thirty-one".
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