Base | Representation |
---|---|
bin | 1101101100010111111110… |
… | …01011110011111001101011 |
3 | 10221121200100012021110101022 |
4 | 12312023333023303321223 |
5 | 12421323340004444321 |
6 | 144013132431243055 |
7 | 6225343324061312 |
oct | 666137713637153 |
9 | 127550305243338 |
10 | 30112002031211 |
11 | 965a479145911 |
12 | 3463aa867948b |
13 | 13a571b644bb9 |
14 | 7616003d7279 |
15 | 373437a35dab |
hex | 1b62ff2f3e6b |
30112002031211 has 4 divisors (see below), whose sum is σ = 31696844243400. Its totient is φ = 28527159819024.
The previous prime is 30112002031201. The next prime is 30112002031231. The reversal of 30112002031211 is 11213020021103.
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 30112002031211 - 238 = 29837124124267 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 30112002031211.
It is not an unprimeable number, because it can be changed into a prime (30112002031201) 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, 792421106066 + ... + 792421106103.
It is an arithmetic number, because the mean of its divisors is an integer number (7924211060850).
Almost surely, 230112002031211 is an apocalyptic number.
30112002031211 is a deficient number, since it is larger than the sum of its proper divisors (1584842212189).
30112002031211 is a wasteful number, since it uses less digits than its factorization.
30112002031211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1584842212188.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 30112002031211 its reverse (11213020021103), we get a palindrome (41325022052314).
The spelling of 30112002031211 in words is "thirty trillion, one hundred twelve billion, two million, thirty-one thousand, two hundred eleven".
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