Base | Representation |
---|---|
bin | 11100001001010110… |
… | …010000110101100010 |
3 | 2220000012021110101000 |
4 | 130021112100311202 |
5 | 443343212232041 |
6 | 21514505452430 |
7 | 2116630244151 |
oct | 341126206542 |
9 | 86005243330 |
10 | 30221602146 |
11 | 118a9340aaa |
12 | 5a351a1116 |
13 | 2b08273b28 |
14 | 1669a51598 |
15 | bbd2edbb6 |
hex | 709590d62 |
30221602146 has 64 divisors (see below), whose sum is σ = 71973216000. Its totient is φ = 9375429888.
The previous prime is 30221602133. The next prime is 30221602153. The reversal of 30221602146 is 64120612203.
30221602146 is a `hidden beast` number, since 30 + 2 + 21 + 602 + 1 + 4 + 6 = 666.
It is a super-2 number, since 2×302216021462 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 282871 + ... + 374778.
It is an arithmetic number, because the mean of its divisors is an integer number (1124581500).
Almost surely, 230221602146 is an apocalyptic number.
30221602146 is an abundant number, since it is smaller than the sum of its proper divisors (41751613854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30221602146 is a wasteful number, since it uses less digits than its factorization.
30221602146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 657720 (or 657714 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The spelling of 30221602146 in words is "thirty billion, two hundred twenty-one million, six hundred two thousand, one hundred forty-six".
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