Base | Representation |
---|---|
bin | 11100010101010000… |
… | …100001011111111010 |
3 | 2220112010021110120221 |
4 | 130111100201133322 |
5 | 444300341032442 |
6 | 21550404410254 |
7 | 2124604560415 |
oct | 342520413772 |
9 | 86463243527 |
10 | 30421424122 |
11 | 119a1112231 |
12 | 5a900a698a |
13 | 2b3a79809b |
14 | 16883c8b7c |
15 | bd0b20467 |
hex | 7154217fa |
30421424122 has 96 divisors (see below), whose sum is σ = 50964480000. Its totient is φ = 13597515360.
The previous prime is 30421424107. The next prime is 30421424123. The reversal of 30421424122 is 22142412403.
It is a super-2 number, since 2×304214241222 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30421424123) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152871379 + ... + 152871577.
It is an arithmetic number, because the mean of its divisors is an integer number (530880000).
Almost surely, 230421424122 is an apocalyptic number.
30421424122 is a deficient number, since it is larger than the sum of its proper divisors (20543055878).
30421424122 is a wasteful number, since it uses less digits than its factorization.
30421424122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416 (or 393 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 30421424122 its reverse (22142412403), we get a palindrome (52563836525).
The spelling of 30421424122 in words is "thirty billion, four hundred twenty-one million, four hundred twenty-four thousand, one hundred twenty-two".
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