Base | Representation |
---|---|
bin | 11100000010001111… |
… | …001101000011100100 |
3 | 2212200212210211212121 |
4 | 130002033031003210 |
5 | 443122142424030 |
6 | 21455004555324 |
7 | 2113651265026 |
oct | 340217150344 |
9 | 85625724777 |
10 | 30102311140 |
11 | 11847a739a0 |
12 | 5a01252b44 |
13 | 2ab9637835 |
14 | 1657c7c016 |
15 | bb2ad847a |
hex | 7023cd0e4 |
30102311140 has 48 divisors (see below), whose sum is σ = 68995390464. Its totient is φ = 10940940800.
The previous prime is 30102311081. The next prime is 30102311167. The reversal of 30102311140 is 4111320103.
It is a super-2 number, since 2×301023111402 (a number of 22 digits) contains 22 as substring.
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, 432012 + ... + 496828.
It is an arithmetic number, because the mean of its divisors is an integer number (1437403968).
Almost surely, 230102311140 is an apocalyptic number.
It is an amenable number.
30102311140 is an abundant number, since it is smaller than the sum of its proper divisors (38893079324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30102311140 is a wasteful number, since it uses less digits than its factorization.
30102311140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66948 (or 66946 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 30102311140 its reverse (4111320103), we get a palindrome (34213631243).
The spelling of 30102311140 in words is "thirty billion, one hundred two million, three hundred eleven thousand, one hundred forty".
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