Base | Representation |
---|---|
bin | 10011001101011110… |
… | …010011101001010010 |
3 | 1222020112121110001112 |
4 | 103031132103221102 |
5 | 314221022041000 |
6 | 13250451133322 |
7 | 1330105552610 |
oct | 231536235122 |
9 | 58215543045 |
10 | 20627143250 |
11 | 882553702a |
12 | 3bb7ba4242 |
13 | 1c395b810c |
14 | dd96d66b0 |
15 | 80ad4b235 |
hex | 4cd793a52 |
20627143250 has 64 divisors (see below), whose sum is σ = 44251923456. Its totient is φ = 7052673600.
The previous prime is 20627143181. The next prime is 20627143297. The reversal of 20627143250 is 5234172602.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626192 + ... + 658308.
It is an arithmetic number, because the mean of its divisors is an integer number (691436304).
Almost surely, 220627143250 is an apocalyptic number.
20627143250 is an abundant number, since it is smaller than the sum of its proper divisors (23624780206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20627143250 is a wasteful number, since it uses less digits than its factorization.
20627143250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32508 (or 32498 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 32.
The spelling of 20627143250 in words is "twenty billion, six hundred twenty-seven million, one hundred forty-three thousand, two hundred fifty".
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