Base | Representation |
---|---|
bin | 11001100100000010… |
… | …010101101101000000 |
3 | 2121211220111220120110 |
4 | 121210002111231000 |
5 | 422203210413220 |
6 | 20335352511320 |
7 | 1661122220403 |
oct | 314402255500 |
9 | 77756456513 |
10 | 27448138560 |
11 | 10705838837 |
12 | 53a03ab540 |
13 | 27857a820b |
14 | 1485577d3a |
15 | aa9aa6be0 |
hex | 664095b40 |
27448138560 has 112 divisors (see below), whose sum is σ = 87184455552. Its totient is φ = 7316428800.
The previous prime is 27448138547. The next prime is 27448138577. The reversal of 27448138560 is 6583184472.
It is a super-3 number, since 3×274481385603 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135790 + ... + 3144530.
Almost surely, 227448138560 is an apocalyptic number.
27448138560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27448138560 is an abundant number, since it is smaller than the sum of its proper divisors (59736316992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27448138560 is a wasteful number, since it uses less digits than its factorization.
27448138560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12032 (or 12022 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 48.
The spelling of 27448138560 in words is "twenty-seven billion, four hundred forty-eight million, one hundred thirty-eight thousand, five hundred sixty".
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