Base | Representation |
---|---|
bin | 1101101111010000100111… |
… | …10011110110110011110101 |
3 | 10221222011012202101221112012 |
4 | 12313220103303312303311 |
5 | 12424434344333233023 |
6 | 144130445205334005 |
7 | 6235453010454500 |
oct | 667502363666365 |
9 | 127864182357465 |
10 | 30211132321013 |
11 | 9698518657856 |
12 | 347b153107305 |
13 | 13b1b88c04b07 |
14 | 766325b44137 |
15 | 375cda728978 |
hex | 1b7a13cf6cf5 |
30211132321013 has 24 divisors (see below), whose sum is σ = 35186829289920. Its totient is φ = 25863383306880.
The previous prime is 30211132320923. The next prime is 30211132321031. The reversal of 30211132321013 is 31012323111203.
It is not a de Polignac number, because 30211132321013 - 218 = 30211132058869 is a prime.
It is a super-2 number, since 2×302111323210132 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30211132321013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30211132321913) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342326573 + ... + 342414813.
It is an arithmetic number, because the mean of its divisors is an integer number (1466117887080).
Almost surely, 230211132321013 is an apocalyptic number.
It is an amenable number.
30211132321013 is a deficient number, since it is larger than the sum of its proper divisors (4975696968907).
30211132321013 is an equidigital number, since it uses as much as digits as its factorization.
30211132321013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96777 (or 96770 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 30211132321013 its reverse (31012323111203), we get a palindrome (61223455432216).
The spelling of 30211132321013 in words is "thirty trillion, two hundred eleven billion, one hundred thirty-two million, three hundred twenty-one thousand, thirteen".
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