Base | Representation |
---|---|
bin | 11100000010001110… |
… | …110110111000100010 |
3 | 2212200212122020021222 |
4 | 130002032312320202 |
5 | 443122132022242 |
6 | 21455003015042 |
7 | 2113650436166 |
oct | 340216667042 |
9 | 85625566258 |
10 | 30102220322 |
11 | 11847a11739 |
12 | 5a0120a482 |
13 | 2ab96053b5 |
14 | 1657c56ca6 |
15 | bb2abb5d2 |
hex | 7023b6e22 |
30102220322 has 4 divisors (see below), whose sum is σ = 45153330486. Its totient is φ = 15051110160.
The previous prime is 30102220283. The next prime is 30102220327. The reversal of 30102220322 is 22302220103.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22302220103 = 3541 ⋅6298283.
It can be written as a sum of positive squares in only one way, i.e., 19507429561 + 10594790761 = 139669^2 + 102931^2 .
It is a super-2 number, since 2×301022203222 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30102220322.
It is not an unprimeable number, because it can be changed into a prime (30102220327) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525555079 + ... + 7525555082.
Almost surely, 230102220322 is an apocalyptic number.
30102220322 is a deficient number, since it is larger than the sum of its proper divisors (15051110164).
30102220322 is a wasteful number, since it uses less digits than its factorization.
30102220322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15051110163.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 30102220322 its reverse (22302220103), we get a palindrome (52404440425).
The spelling of 30102220322 in words is "thirty billion, one hundred two million, two hundred twenty thousand, three hundred twenty-two".
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