Base | Representation |
---|---|
bin | 11010000001111000… |
… | …101111100011000110 |
3 | 2200010210212020021000 |
4 | 122001320233203012 |
5 | 424214412030322 |
6 | 20501202434130 |
7 | 2006413031343 |
oct | 320170574306 |
9 | 80123766230 |
10 | 27948939462 |
11 | 109424a1984 |
12 | 5500062946 |
13 | 2835480a02 |
14 | 14d1c9b7ca |
15 | ad8a2c3ac |
hex | 681e2f8c6 |
27948939462 has 32 divisors (see below), whose sum is σ = 62114340960. Its totient is φ = 9315475200.
The previous prime is 27948939461. The next prime is 27948939467. The reversal of 27948939462 is 26493984972.
27948939462 is a `hidden beast` number, since 2 + 7 + 9 + 489 + 3 + 94 + 62 = 666.
It is a super-2 number, since 2×279489394622 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 27948939462.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27948939461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976962 + ... + 1005162.
It is an arithmetic number, because the mean of its divisors is an integer number (1941073155).
Almost surely, 227948939462 is an apocalyptic number.
27948939462 is an abundant number, since it is smaller than the sum of its proper divisors (34165401498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27948939462 is a wasteful number, since it uses less digits than its factorization.
27948939462 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46565 (or 46559 counting only the distinct ones).
The product of its digits is 47029248, while the sum is 63.
The spelling of 27948939462 in words is "twenty-seven billion, nine hundred forty-eight million, nine hundred thirty-nine thousand, four hundred sixty-two".
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