Base | Representation |
---|---|
bin | 11001011100000111… |
… | …100011101101001010 |
3 | 2121111122112110002220 |
4 | 121130013203231022 |
5 | 421420203221111 |
6 | 20314245234510 |
7 | 1654620060543 |
oct | 313407435512 |
9 | 77448473086 |
10 | 27315288906 |
11 | 1064784a934 |
12 | 5363a02a36 |
13 | 2764102659 |
14 | 1471a754ca |
15 | a9d0b3e06 |
hex | 65c1e3b4a |
27315288906 has 32 divisors (see below), whose sum is σ = 56707378560. Its totient is φ = 8761107264.
The previous prime is 27315288899. The next prime is 27315288937. The reversal of 27315288906 is 60988251372.
It is a super-2 number, since 2×273152889062 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216910 + ... + 318873.
It is an arithmetic number, because the mean of its divisors is an integer number (1772105580).
Almost surely, 227315288906 is an apocalyptic number.
27315288906 is an abundant number, since it is smaller than the sum of its proper divisors (29392089654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27315288906 is a wasteful number, since it uses less digits than its factorization.
27315288906 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 536110.
The product of its (nonzero) digits is 1451520, while the sum is 51.
The spelling of 27315288906 in words is "twenty-seven billion, three hundred fifteen million, two hundred eighty-eight thousand, nine hundred six".
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