Base | Representation |
---|---|
bin | 1101110010001010101010… |
… | …00111000011101000001101 |
3 | 10222022201000112212111111022 |
4 | 12321011111013003220031 |
5 | 12433103423100333401 |
6 | 144244404200203525 |
7 | 6245620064660105 |
oct | 671052507035015 |
9 | 128281015774438 |
10 | 30311012121101 |
11 | 9726912154988 |
12 | 34965887695a5 |
13 | 13bb41584a63a |
14 | 76b0bcc36205 |
15 | 3786d411d71b |
hex | 1b91551c3a0d |
30311012121101 has 4 divisors (see below), whose sum is σ = 30311686658400. Its totient is φ = 30310337583804.
The previous prime is 30311012121073. The next prime is 30311012121107. The reversal of 30311012121101 is 10112121011303.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30311012121101 - 218 = 30311011858957 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30311012121101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30311012121107) 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, 337201241 + ... + 337291118.
It is an arithmetic number, because the mean of its divisors is an integer number (7577921664600).
Almost surely, 230311012121101 is an apocalyptic number.
It is an amenable number.
30311012121101 is a deficient number, since it is larger than the sum of its proper divisors (674537299).
30311012121101 is an equidigital number, since it uses as much as digits as its factorization.
30311012121101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 674537298.
The product of its (nonzero) digits is 36, while the sum is 17.
Adding to 30311012121101 its reverse (10112121011303), we get a palindrome (40423133132404).
The spelling of 30311012121101 in words is "thirty trillion, three hundred eleven billion, twelve million, one hundred twenty-one thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •