Base | Representation |
---|---|
bin | 11001010111001000… |
… | …000011101001101000 |
3 | 2121021210221020112012 |
4 | 121113020003221220 |
5 | 421232233034142 |
6 | 20302054135052 |
7 | 1652552134310 |
oct | 312710035150 |
9 | 77253836465 |
10 | 27231533672 |
11 | 10604544332 |
12 | 533b951488 |
13 | 274c958c45 |
14 | 14648b2440 |
15 | a95a6c882 |
hex | 657203a68 |
27231533672 has 32 divisors (see below), whose sum is σ = 58421798400. Its totient is φ = 11656954944.
The previous prime is 27231533653. The next prime is 27231533677. The reversal of 27231533672 is 27633513272.
It is a super-2 number, since 2×272315336722 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (27231533677) 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, 237272 + ... + 332807.
It is an arithmetic number, because the mean of its divisors is an integer number (1825681200).
Almost surely, 227231533672 is an apocalyptic number.
It is an amenable number.
27231533672 is an abundant number, since it is smaller than the sum of its proper divisors (31190264728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27231533672 is a wasteful number, since it uses less digits than its factorization.
27231533672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 570945 (or 570941 counting only the distinct ones).
The product of its digits is 317520, while the sum is 41.
The spelling of 27231533672 in words is "twenty-seven billion, two hundred thirty-one million, five hundred thirty-three thousand, six hundred seventy-two".
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