Base | Representation |
---|---|
bin | 11001001011000111… |
… | …111010100100011001 |
3 | 2120202210000220100000 |
4 | 121023013322210121 |
5 | 420324210414011 |
6 | 20230102203213 |
7 | 1644555440001 |
oct | 311307724431 |
9 | 76683026300 |
10 | 27030169881 |
11 | 1051090a780 |
12 | 52a4423509 |
13 | 271a014c80 |
14 | 1445c57001 |
15 | a83044356 |
hex | 64b1fa919 |
27030169881 has 96 divisors (see below), whose sum is σ = 50367477888. Its totient is φ = 14231946240.
The previous prime is 27030169819. The next prime is 27030169889. The reversal of 27030169881 is 18896103072.
It is not a de Polignac number, because 27030169881 - 226 = 26963061017 is a prime.
It is a super-2 number, since 2×270301698812 (a number of 22 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (27030169889) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 567855 + ... + 613611.
It is an arithmetic number, because the mean of its divisors is an integer number (524661228).
Almost surely, 227030169881 is an apocalyptic number.
It is an amenable number.
27030169881 is a deficient number, since it is larger than the sum of its proper divisors (23337308007).
27030169881 is a wasteful number, since it uses less digits than its factorization.
27030169881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45813 (or 45801 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The spelling of 27030169881 in words is "twenty-seven billion, thirty million, one hundred sixty-nine thousand, eight hundred eighty-one".
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