Base | Representation |
---|---|
bin | 11100000011010110… |
… | …111000001011110110 |
3 | 2212202012011102101010 |
4 | 130003112320023312 |
5 | 443142000200042 |
6 | 21500515413050 |
7 | 2114300061066 |
oct | 340326701366 |
9 | 85665142333 |
10 | 30121100022 |
11 | 118576372a2 |
12 | 5a075b4186 |
13 | 2ac04b5910 |
14 | 165a56d3a6 |
15 | bb459a59c |
hex | 7035b82f6 |
30121100022 has 16 divisors (see below), whose sum is σ = 64876215600. Its totient is φ = 9268030752.
The previous prime is 30121100017. The next prime is 30121100039. The reversal of 30121100022 is 22000112103.
It is a junction number, because it is equal to n+sod(n) for n = 30121099980 and 30121100007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193083897 + ... + 193084052.
It is an arithmetic number, because the mean of its divisors is an integer number (4054763475).
Almost surely, 230121100022 is an apocalyptic number.
30121100022 is an abundant number, since it is smaller than the sum of its proper divisors (34755115578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30121100022 is a wasteful number, since it uses less digits than its factorization.
30121100022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 386167967.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 30121100022 its reverse (22000112103), we get a palindrome (52121212125).
The spelling of 30121100022 in words is "thirty billion, one hundred twenty-one million, one hundred thousand, twenty-two".
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