Base | Representation |
---|---|
bin | 11001100101011010… |
… | …000001011111111000 |
3 | 2121220111202201022112 |
4 | 121211122001133320 |
5 | 422230101440342 |
6 | 20341533311452 |
7 | 1661521463621 |
oct | 314532013770 |
9 | 77814681275 |
10 | 27471124472 |
11 | 10717808460 |
12 | 53a8035588 |
13 | 278a49574c |
14 | 148863ca48 |
15 | aabae7682 |
hex | 6656817f8 |
27471124472 has 32 divisors (see below), whose sum is σ = 56382767280. Its totient is φ = 12444245760.
The previous prime is 27471124463. The next prime is 27471124511. The reversal of 27471124472 is 27442117472.
It is a super-2 number, since 2×274711244722 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506933 + ... + 558500.
Almost surely, 227471124472 is an apocalyptic number.
27471124472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
27471124472 is an abundant number, since it is smaller than the sum of its proper divisors (28911642808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27471124472 is a wasteful number, since it uses less digits than its factorization.
27471124472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1065743 (or 1065739 counting only the distinct ones).
The product of its digits is 175616, while the sum is 41.
The spelling of 27471124472 in words is "twenty-seven billion, four hundred seventy-one million, one hundred twenty-four thousand, four hundred seventy-two".
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