Base | Representation |
---|---|
bin | 11001110111001010… |
… | …110110011001011010 |
3 | 2122200021112022021120 |
4 | 121313022312121122 |
5 | 423332344333410 |
6 | 20431300550110 |
7 | 2002100524206 |
oct | 316712663132 |
9 | 78607468246 |
10 | 27769136730 |
11 | 1085aa54485 |
12 | 546b9b2336 |
13 | 280714886a |
14 | 14b6055b06 |
15 | ac7d62570 |
hex | 6772b665a |
27769136730 has 32 divisors (see below), whose sum is σ = 66654992448. Its totient is φ = 7404096000.
The previous prime is 27769136729. The next prime is 27769136737. The reversal of 27769136730 is 3763196772.
It is a super-2 number, since 2×277691367302 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (27769136737) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176205 + ... + 294255.
It is an arithmetic number, because the mean of its divisors is an integer number (2082968514).
Almost surely, 227769136730 is an apocalyptic number.
27769136730 is an abundant number, since it is smaller than the sum of its proper divisors (38885855718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27769136730 is a wasteful number, since it uses less digits than its factorization.
27769136730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125902.
The product of its (nonzero) digits is 2000376, while the sum is 51.
The spelling of 27769136730 in words is "twenty-seven billion, seven hundred sixty-nine million, one hundred thirty-six thousand, seven hundred thirty".
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