Base | Representation |
---|---|
bin | 1101101001000111111011… |
… | …11001001011011100000010 |
3 | 10221020000001021022101000200 |
4 | 12310203331321023130002 |
5 | 12413011114133014340 |
6 | 143445541441430030 |
7 | 6214310451616110 |
oct | 664437571133402 |
9 | 127200037271020 |
10 | 30000311219970 |
11 | 9617073639243 |
12 | 344631763b316 |
13 | 139802ba67c90 |
14 | 75a046840ab0 |
15 | 37059c2a2330 |
hex | 1b48fde4b702 |
30000311219970 has 768 divisors, whose sum is σ = 106510450894848. Its totient is φ = 5674590535680.
The previous prime is 30000311219969. The next prime is 30000311220067. The reversal of 30000311219970 is 7991211300003.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 771732454 + ... + 771771326.
It is an arithmetic number, because the mean of its divisors is an integer number (138685482936).
Almost surely, 230000311219970 is an apocalyptic number.
30000311219970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30000311219970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53255225447424).
30000311219970 is an abundant number, since it is smaller than the sum of its proper divisors (76510139674878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30000311219970 is a wasteful number, since it uses less digits than its factorization.
30000311219970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39187 (or 39184 counting only the distinct ones).
The product of its (nonzero) digits is 10206, while the sum is 36.
Adding to 30000311219970 its reverse (7991211300003), we get a palindrome (37991522519973).
The spelling of 30000311219970 in words is "thirty trillion, three hundred eleven million, two hundred nineteen thousand, nine hundred seventy".
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