Base | Representation |
---|---|
bin | 11011111101111111… |
… | …111110101100111010 |
3 | 2212111221000121021000 |
4 | 123331333332230322 |
5 | 443000442230242 |
6 | 21443545025430 |
7 | 2112126040650 |
oct | 337577765472 |
9 | 85457017230 |
10 | 30031211322 |
11 | 11810921612 |
12 | 59a1485276 |
13 | 2aa79a2538 |
14 | 164c650dd0 |
15 | bab741a4c |
hex | 6fdffeb3a |
30031211322 has 32 divisors (see below), whose sum is σ = 76269744000. Its totient is φ = 8580345984.
The previous prime is 30031211257. The next prime is 30031211351. The reversal of 30031211322 is 22311213003.
30031211322 is a `hidden beast` number, since 30 + 0 + 312 + 1 + 1 + 322 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30031211295 and 30031211304.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39723447 + ... + 39724202.
It is an arithmetic number, because the mean of its divisors is an integer number (2383429500).
Almost surely, 230031211322 is an apocalyptic number.
30031211322 is an abundant number, since it is smaller than the sum of its proper divisors (46238532678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30031211322 is a wasteful number, since it uses less digits than its factorization.
30031211322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79447667 (or 79447661 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30031211322 its reverse (22311213003), we get a palindrome (52342424325).
The spelling of 30031211322 in words is "thirty billion, thirty-one million, two hundred eleven thousand, three hundred twenty-two".
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