Base | Representation |
---|---|
bin | 1101101001001101001010… |
… | …10011111100011001100100 |
3 | 10221020021022000120202212010 |
4 | 12310212211103330121210 |
5 | 12413032342212000312 |
6 | 143451124300154220 |
7 | 6214440166253400 |
oct | 664464523743144 |
9 | 127207260522763 |
10 | 30003120031332 |
11 | 9618285094848 |
12 | 3446980238970 |
13 | 139838895ba36 |
14 | 75a2318ba100 |
15 | 3706b3b7c93c |
hex | 1b49a54fc664 |
30003120031332 has 72 divisors (see below), whose sum is σ = 84245213928960. Its totient is φ = 8276722762560.
The previous prime is 30003120031327. The next prime is 30003120031373. The reversal of 30003120031332 is 23313002130003.
It is a super-2 number, since 2×300031200313322 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 30003120031299 and 30003120031308.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879736644 + ... + 879770747.
It is an arithmetic number, because the mean of its divisors is an integer number (1170072415680).
Almost surely, 230003120031332 is an apocalyptic number.
It is an amenable number.
30003120031332 is an abundant number, since it is smaller than the sum of its proper divisors (54242093897628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30003120031332 is a wasteful number, since it uses less digits than its factorization.
30003120031332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1759507441 (or 1759507432 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30003120031332 its reverse (23313002130003), we get a palindrome (53316122161335).
The spelling of 30003120031332 in words is "thirty trillion, three billion, one hundred twenty million, thirty-one thousand, three hundred thirty-two".
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