Base | Representation |
---|---|
bin | 1101110001111100001000… |
… | …01000010000101010101011 |
3 | 10222021221212212202001222010 |
4 | 12320332010020100222223 |
5 | 12432441434010444321 |
6 | 144241034123531003 |
7 | 6245222550544566 |
oct | 670760410205253 |
9 | 128257785661863 |
10 | 30303211031211 |
11 | 9723579695658 |
12 | 3494b70089a63 |
13 | 13ba77159c711 |
14 | 76a97cb494dd |
15 | 3783c9314676 |
hex | 1b8f84210aab |
30303211031211 has 16 divisors (see below), whose sum is σ = 40413737795360. Its totient is φ = 20197413020160.
The previous prime is 30303211031189. The next prime is 30303211031263. The reversal of 30303211031211 is 11213011230303.
It is a happy number.
It is not a de Polignac number, because 30303211031211 - 25 = 30303211031179 is a prime.
It is a super-2 number, since 2×303032110312112 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30303211031411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260922291 + ... + 261038403.
It is an arithmetic number, because the mean of its divisors is an integer number (2525858612210).
Almost surely, 230303211031211 is an apocalyptic number.
30303211031211 is a deficient number, since it is larger than the sum of its proper divisors (10110526764149).
30303211031211 is a wasteful number, since it uses less digits than its factorization.
30303211031211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135726.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 30303211031211 its reverse (11213011230303), we get a palindrome (41516222261514).
The spelling of 30303211031211 in words is "thirty trillion, three hundred three billion, two hundred eleven million, thirty-one thousand, two hundred eleven".
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