Base | Representation |
---|---|
bin | 11100000010001110… |
… | …110111010010110000 |
3 | 2212200212122022121010 |
4 | 130002032313102300 |
5 | 443122132101000 |
6 | 21455003030520 |
7 | 2113650444114 |
oct | 340216672260 |
9 | 85625568533 |
10 | 30102222000 |
11 | 11847a12a24 |
12 | 5a0120b440 |
13 | 2ab96060a6 |
14 | 1657c57744 |
15 | bb2abbd50 |
hex | 7023b74b0 |
30102222000 has 80 divisors (see below), whose sum is σ = 97049583072. Its totient is φ = 8027257600.
The previous prime is 30102221983. The next prime is 30102222001. The reversal of 30102222000 is 22220103.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×301022220002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (30102222001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2502519 + ... + 2514518.
Almost surely, 230102222000 is an apocalyptic number.
30102222000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30102222000 is an abundant number, since it is smaller than the sum of its proper divisors (66947361072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30102222000 is a wasteful number, since it uses less digits than its factorization.
30102222000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5017063 (or 5017047 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 30102222000 its reverse (22220103), we get a palindrome (30124442103).
The spelling of 30102222000 in words is "thirty billion, one hundred two million, two hundred twenty-two thousand".
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