Base | Representation |
---|---|
bin | 11100000011010100… |
… | …001101110001010001 |
3 | 2212202010211221212111 |
4 | 130003110031301101 |
5 | 443141310331001 |
6 | 21500452425321 |
7 | 2114261123044 |
oct | 340324156121 |
9 | 85663757774 |
10 | 30120402001 |
11 | 118571aa918 |
12 | 5a07318241 |
13 | 2ac02ccca1 |
14 | 165a42ac5b |
15 | bb44ad851 |
hex | 70350dc51 |
30120402001 has 16 divisors (see below), whose sum is σ = 33142003200. Its totient is φ = 27249949440.
The previous prime is 30120401989. The next prime is 30120402017. The reversal of 30120402001 is 10020402103.
It is a cyclic number.
It is not a de Polignac number, because 30120402001 - 27 = 30120401873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30120402101) 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, 113271 + ... + 270316.
It is an arithmetic number, because the mean of its divisors is an integer number (2071375200).
Almost surely, 230120402001 is an apocalyptic number.
30120402001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
30120402001 is a deficient number, since it is larger than the sum of its proper divisors (3021601199).
30120402001 is a wasteful number, since it uses less digits than its factorization.
30120402001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383784.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 30120402001 its reverse (10020402103), we get a palindrome (40140804104).
The spelling of 30120402001 in words is "thirty billion, one hundred twenty million, four hundred two thousand, one".
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