Base | Representation |
---|---|
bin | 1101101111110110011011… |
… | …10110011111001100000011 |
3 | 10222001002121120112202011222 |
4 | 12313323031312133030003 |
5 | 12430302433430121201 |
6 | 144144043453025255 |
7 | 6240102050240342 |
oct | 667731566371403 |
9 | 128032546482158 |
10 | 30231433442051 |
11 | 96a6096056536 |
12 | 3483079a8522b |
13 | 13b3a72ab087a |
14 | 7672d0011b59 |
15 | 3765c7b2591b |
hex | 1b7ecdd9f303 |
30231433442051 has 4 divisors (see below), whose sum is σ = 30801837846672. Its totient is φ = 29661029037432.
The previous prime is 30231433442027. The next prime is 30231433442057. The reversal of 30231433442051 is 15024433413203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30231433442051 - 218 = 30231433179907 is a prime.
It is a super-2 number, since 2×302314334420512 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30231433442057) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285202202231 + ... + 285202202336.
It is an arithmetic number, because the mean of its divisors is an integer number (7700459461668).
Almost surely, 230231433442051 is an apocalyptic number.
30231433442051 is a deficient number, since it is larger than the sum of its proper divisors (570404404621).
30231433442051 is an equidigital number, since it uses as much as digits as its factorization.
30231433442051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570404404620.
The product of its (nonzero) digits is 103680, while the sum is 35.
Adding to 30231433442051 its reverse (15024433413203), we get a palindrome (45255866855254).
The spelling of 30231433442051 in words is "thirty trillion, two hundred thirty-one billion, four hundred thirty-three million, four hundred forty-two thousand, fifty-one".
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