Base | Representation |
---|---|
bin | 10101000011010100… |
… | …10000110111110000 |
3 | 1002011122222110222020 |
4 | 22201222100313300 |
5 | 141121322124040 |
6 | 5105300111440 |
7 | 550035436401 |
oct | 124152206760 |
9 | 32148873866 |
10 | 11302145520 |
11 | 487a848236 |
12 | 2235095580 |
13 | 10b16c6b93 |
14 | 7930819a8 |
15 | 462373cd0 |
hex | 2a1a90df0 |
11302145520 has 80 divisors (see below), whose sum is σ = 35304204672. Its totient is φ = 2990890240.
The previous prime is 11302145501. The next prime is 11302145527. The reversal of 11302145520 is 2554120311.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11302145527) 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, 148302 + ... + 211181.
Almost surely, 211302145520 is an apocalyptic number.
11302145520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11302145520 is an abundant number, since it is smaller than the sum of its proper divisors (24002059152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11302145520 is a wasteful number, since it uses less digits than its factorization.
11302145520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 359630 (or 359624 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
Adding to 11302145520 its reverse (2554120311), we get a palindrome (13856265831).
The spelling of 11302145520 in words is "eleven billion, three hundred two million, one hundred forty-five thousand, five hundred twenty".
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