Base | Representation |
---|---|
bin | 1101101100100111100111… |
… | …11000000010001111110111 |
3 | 10221122111000121201212222120 |
4 | 12312103303320002033313 |
5 | 12421443040432413221 |
6 | 144021042144531023 |
7 | 6226061434441446 |
oct | 666236370021767 |
9 | 127574017655876 |
10 | 30120402232311 |
11 | 9662a99906276 |
12 | 3465651920a73 |
13 | 13a6459a69cb1 |
14 | 761b99cb8d5d |
15 | 37377a2345c6 |
hex | 1b64f3e023f7 |
30120402232311 has 8 divisors (see below), whose sum is σ = 40160627361024. Its totient is φ = 20080222629240.
The previous prime is 30120402232309. The next prime is 30120402232331. The reversal of 30120402232311 is 11323220402103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30120402232311 - 21 = 30120402232309 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30120402232331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9806511 + ... + 12506336.
It is an arithmetic number, because the mean of its divisors is an integer number (5020078420128).
Almost surely, 230120402232311 is an apocalyptic number.
30120402232311 is a deficient number, since it is larger than the sum of its proper divisors (10040225128713).
30120402232311 is a wasteful number, since it uses less digits than its factorization.
30120402232311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22762821.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 30120402232311 its reverse (11323220402103), we get a palindrome (41443622634414).
The spelling of 30120402232311 in words is "thirty trillion, one hundred twenty billion, four hundred two million, two hundred thirty-two thousand, three hundred eleven".
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