Base | Representation |
---|---|
bin | 11011111101100000… |
… | …101010010011110011 |
3 | 2212111100120111021021 |
4 | 123331200222103303 |
5 | 442441342020311 |
6 | 21443053040311 |
7 | 2111666205061 |
oct | 337540522363 |
9 | 85440514237 |
10 | 30023001331 |
11 | 118072242a4 |
12 | 599a786097 |
13 | 2aa608965b |
14 | 164b515031 |
15 | baab6e171 |
hex | 6fd82a4f3 |
30023001331 has 8 divisors (see below), whose sum is σ = 30088311840. Its totient is φ = 29957756928.
The previous prime is 30023001313. The next prime is 30023001341. The reversal of 30023001331 is 13310032003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30023001331 - 223 = 30014612723 is a prime.
It is a super-2 number, since 2×300230013312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30023001341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953715 + ... + 984691.
It is an arithmetic number, because the mean of its divisors is an integer number (3761038980).
Almost surely, 230023001331 is an apocalyptic number.
30023001331 is a deficient number, since it is larger than the sum of its proper divisors (65310509).
30023001331 is a wasteful number, since it uses less digits than its factorization.
30023001331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33053.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 30023001331 its reverse (13310032003), we get a palindrome (43333033334).
The spelling of 30023001331 in words is "thirty billion, twenty-three million, one thousand, three hundred thirty-one".
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