Base | Representation |
---|---|
bin | 11100000010010011… |
… | …000110010101111100 |
3 | 2212200221201201112101 |
4 | 130002103012111330 |
5 | 443122423112340 |
6 | 21455042514444 |
7 | 2113663046653 |
oct | 340223062574 |
9 | 85627651471 |
10 | 30103332220 |
11 | 11848601065 |
12 | 5a01665a24 |
13 | 2ab9904520 |
14 | 165806619a |
15 | bb2c3ac9a |
hex | 7024c657c |
30103332220 has 24 divisors (see below), whose sum is σ = 68079844224. Its totient is φ = 11115076416.
The previous prime is 30103332151. The next prime is 30103332227. The reversal of 30103332220 is 2223330103.
It is a happy number.
It is a super-2 number, since 2×301033322202 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30103332227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57890764 + ... + 57891283.
It is an arithmetic number, because the mean of its divisors is an integer number (2836660176).
Almost surely, 230103332220 is an apocalyptic number.
It is an amenable number.
30103332220 is an abundant number, since it is smaller than the sum of its proper divisors (37976512004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30103332220 is a wasteful number, since it uses less digits than its factorization.
30103332220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115782069 (or 115782067 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30103332220 its reverse (2223330103), we get a palindrome (32326662323).
The spelling of 30103332220 in words is "thirty billion, one hundred three million, three hundred thirty-two thousand, two hundred twenty".
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