Base | Representation |
---|---|
bin | 11100001001010111… |
… | …100100001100000000 |
3 | 2220000012220210200200 |
4 | 130021113210030000 |
5 | 443343304143202 |
6 | 21514521045200 |
7 | 2116633165413 |
oct | 341127441400 |
9 | 86005823620 |
10 | 30221943552 |
11 | 118a9554559 |
12 | 5a35326800 |
13 | 2b08363348 |
14 | 1669addb7a |
15 | bbd369e1c |
hex | 7095e4300 |
30221943552 has 108 divisors (see below), whose sum is σ = 91723621080. Its totient is φ = 9543757824.
The previous prime is 30221943551. The next prime is 30221943553. The reversal of 30221943552 is 25534912203.
30221943552 is a `hidden beast` number, since 3 + 0 + 2 + 219 + 435 + 5 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (30221943551) and next prime (30221943553).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (30221943551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301413 + ... + 388964.
Almost surely, 230221943552 is an apocalyptic number.
30221943552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30221943552 is an abundant number, since it is smaller than the sum of its proper divisors (61501677528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30221943552 is a wasteful number, since it uses less digits than its factorization.
30221943552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 690418 (or 690401 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 36.
The spelling of 30221943552 in words is "thirty billion, two hundred twenty-one million, nine hundred forty-three thousand, five hundred fifty-two".
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