Base | Representation |
---|---|
bin | 11100000011011110… |
… | …100101110101010001 |
3 | 2212202022222011000020 |
4 | 130003132211311101 |
5 | 443143004401001 |
6 | 21501031014053 |
7 | 2114323212060 |
oct | 340336456521 |
9 | 85668864006 |
10 | 30123122001 |
11 | 11858798455 |
12 | 5a0820a329 |
13 | 2ac0a4305b |
14 | 165a9381d7 |
15 | bb4849736 |
hex | 7037a5d51 |
30123122001 has 16 divisors (see below), whose sum is σ = 48602012544. Its totient is φ = 16200670464.
The previous prime is 30123121997. The next prime is 30123122027. The reversal of 30123122001 is 10022132103.
It is not a de Polignac number, because 30123122001 - 22 = 30123121997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30123122201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42188890 + ... + 42189603.
It is an arithmetic number, because the mean of its divisors is an integer number (3037625784).
Almost surely, 230123122001 is an apocalyptic number.
It is an amenable number.
30123122001 is a deficient number, since it is larger than the sum of its proper divisors (18478890543).
30123122001 is a wasteful number, since it uses less digits than its factorization.
30123122001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84378520.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 30123122001 its reverse (10022132103), we get a palindrome (40145254104).
The spelling of 30123122001 in words is "thirty billion, one hundred twenty-three million, one hundred twenty-two thousand, one".
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