Base | Representation |
---|---|
bin | 1101110001111010011100… |
… | …11111110011010111111100 |
3 | 10222021212120011121120220012 |
4 | 12320331032133303113330 |
5 | 12432433113133424040 |
6 | 144240404542042352 |
7 | 6245161343436341 |
oct | 670751637632774 |
9 | 128255504546805 |
10 | 30302311233020 |
11 | 9723157790992 |
12 | 349495a8793b8 |
13 | 13ba65a046b58 |
14 | 76a8d54427c8 |
15 | 378375327865 |
hex | 1b8f4e7f35fc |
30302311233020 has 96 divisors (see below), whose sum is σ = 70311733527168. Its totient is φ = 10911284600832.
The previous prime is 30302311233017. The next prime is 30302311233059. The reversal of 30302311233020 is 2033211320303.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143101862 + ... + 143313458.
It is an arithmetic number, because the mean of its divisors is an integer number (732413890908).
Almost surely, 230302311233020 is an apocalyptic number.
It is an amenable number.
30302311233020 is an abundant number, since it is smaller than the sum of its proper divisors (40009422294148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30302311233020 is a wasteful number, since it uses less digits than its factorization.
30302311233020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229959 (or 229957 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 30302311233020 its reverse (2033211320303), we get a palindrome (32335522553323).
The spelling of 30302311233020 in words is "thirty trillion, three hundred two billion, three hundred eleven million, two hundred thirty-three thousand, twenty".
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