Base | Representation |
---|---|
bin | 1101110001111010000101… |
… | …00101001010010010110111 |
3 | 10222021212001020102111111002 |
4 | 12320331002211022102313 |
5 | 12432432210443423111 |
6 | 144240333041033515 |
7 | 6245153365225400 |
oct | 670750245122267 |
9 | 128255036374432 |
10 | 30302111311031 |
11 | 97230649515aa |
12 | 349490392589b |
13 | 13ba6277b9211 |
14 | 76a8b6a809a7 |
15 | 3783629d663b |
hex | 1b8f4294a4b7 |
30302111311031 has 24 divisors (see below), whose sum is σ = 37424586223296. Its totient is φ = 24378791754240.
The previous prime is 30302111311019. The next prime is 30302111311049. The reversal of 30302111311031 is 13011311120303.
It is not a de Polignac number, because 30302111311031 - 26 = 30302111310967 is a prime.
It is a super-2 number, since 2×303021113110312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30302111310994 and 30302111311012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30302111311081) by changing a digit.
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, 49254350 + ... + 49865771.
It is an arithmetic number, because the mean of its divisors is an integer number (1559357759304).
Almost surely, 230302111311031 is an apocalyptic number.
30302111311031 is a deficient number, since it is larger than the sum of its proper divisors (7122474912265).
30302111311031 is a wasteful number, since it uses less digits than its factorization.
30302111311031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99120519 (or 99120512 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 20.
Adding to 30302111311031 its reverse (13011311120303), we get a palindrome (43313422431334).
The spelling of 30302111311031 in words is "thirty trillion, three hundred two billion, one hundred eleven million, three hundred eleven thousand, thirty-one".
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