Base | Representation |
---|---|
bin | 1100011000000110101… |
… | …0010001010110011010 |
3 | 202022211110111010021100 |
4 | 3012001222101112122 |
5 | 11440430424130412 |
6 | 241402535452230 |
7 | 21235065315315 |
oct | 3060152212632 |
9 | 668743433240 |
10 | 212628739482 |
11 | 821a2420085 |
12 | 35260b27076 |
13 | 170878028a3 |
14 | a41140797c |
15 | 57e6edcedc |
hex | 3181a9159a |
212628739482 has 36 divisors (see below), whose sum is σ = 465212217834. Its totient is φ = 70188064560.
The previous prime is 212628739481. The next prime is 212628739489. The reversal of 212628739482 is 284937826212.
212628739482 is a `hidden beast` number, since 2 + 1 + 2 + 628 + 7 + 3 + 9 + 4 + 8 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 211692930201 + 935809281 = 460101^2 + 30591^2 .
It is not an unprimeable number, because it can be changed into a prime (212628739481) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 365769 + ... + 747692.
Almost surely, 2212628739482 is an apocalyptic number.
212628739482 is an abundant number, since it is smaller than the sum of its proper divisors (252583478352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212628739482 is a wasteful number, since it uses less digits than its factorization.
212628739482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1113675 (or 1113569 counting only the distinct ones).
The product of its digits is 4644864, while the sum is 54.
The spelling of 212628739482 in words is "two hundred twelve billion, six hundred twenty-eight million, seven hundred thirty-nine thousand, four hundred eighty-two".
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