Base | Representation |
---|---|
bin | 11100101000100010… |
… | …111101111010100101 |
3 | 2221100200012011012120 |
4 | 130220202331322211 |
5 | 1000431211314323 |
6 | 22042444340153 |
7 | 2135614260636 |
oct | 345042757245 |
9 | 87320164176 |
10 | 30745026213 |
11 | 12047847280 |
12 | 5b60544659 |
13 | 2b8c83aa05 |
14 | 16b938388d |
15 | bee2425e3 |
hex | 7288bdea5 |
30745026213 has 32 divisors (see below), whose sum is σ = 45371904000. Its totient is φ = 18362635200.
The previous prime is 30745026079. The next prime is 30745026253. The reversal of 30745026213 is 31262054703.
It is not a de Polignac number, because 30745026213 - 210 = 30745025189 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30745026253) 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, 1399488 + ... + 1421286.
It is an arithmetic number, because the mean of its divisors is an integer number (1417872000).
Almost surely, 230745026213 is an apocalyptic number.
30745026213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
30745026213 is a deficient number, since it is larger than the sum of its proper divisors (14626877787).
30745026213 is a wasteful number, since it uses less digits than its factorization.
30745026213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22433.
The product of its (nonzero) digits is 30240, while the sum is 33.
The spelling of 30745026213 in words is "thirty billion, seven hundred forty-five million, twenty-six thousand, two hundred thirteen".
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