Base | Representation |
---|---|
bin | 11100001010000010… |
… | …001111101111101101 |
3 | 2220000222222020101010 |
4 | 130022002033233231 |
5 | 443404140211023 |
6 | 21520000535433 |
7 | 2120130245010 |
oct | 341202175755 |
9 | 86028866333 |
10 | 30233132013 |
11 | 119048a6617 |
12 | 5a39021579 |
13 | 2b0a77cb36 |
14 | 166b3b3377 |
15 | bbe32a093 |
hex | 70a08fbed |
30233132013 has 32 divisors (see below), whose sum is σ = 47644106752. Its totient is φ = 16687684800.
The previous prime is 30233132003. The next prime is 30233132081. The reversal of 30233132013 is 31023133203.
It is not a de Polignac number, because 30233132013 - 28 = 30233131757 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30233132003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309270 + ... + 395112.
It is an arithmetic number, because the mean of its divisors is an integer number (1488878336).
Almost surely, 230233132013 is an apocalyptic number.
It is an amenable number.
30233132013 is a deficient number, since it is larger than the sum of its proper divisors (17410974739).
30233132013 is a wasteful number, since it uses less digits than its factorization.
30233132013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86425.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30233132013 its reverse (31023133203), we get a palindrome (61256265216).
The spelling of 30233132013 in words is "thirty billion, two hundred thirty-three million, one hundred thirty-two thousand, thirteen".
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