Base | Representation |
---|---|
bin | 10010110001000010… |
… | …001100011010000100 |
3 | 1221000021210122101010 |
4 | 102301002030122010 |
5 | 312231400332044 |
6 | 13131244402220 |
7 | 1312223162166 |
oct | 226102143204 |
9 | 57007718333 |
10 | 20150011524 |
11 | 8600179995 |
12 | 3aa4246370 |
13 | 1b917abb56 |
14 | d921b4936 |
15 | 7cdeedbb9 |
hex | 4b108c684 |
20150011524 has 24 divisors (see below), whose sum is σ = 47019908320. Its totient is φ = 6716211264.
The previous prime is 20150011513. The next prime is 20150011529. The reversal of 20150011524 is 42511005102.
It is a self number, because there is not a number n which added to its sum of digits gives 20150011524.
It is not an unprimeable number, because it can be changed into a prime (20150011529) 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, 157632 + ... + 255240.
Almost surely, 220150011524 is an apocalyptic number.
It is an amenable number.
20150011524 is an abundant number, since it is smaller than the sum of its proper divisors (26869896796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20150011524 is a wasteful number, since it uses less digits than its factorization.
20150011524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114819 (or 114817 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 21.
Adding to 20150011524 its reverse (42511005102), we get a palindrome (62661016626).
The spelling of 20150011524 in words is "twenty billion, one hundred fifty million, eleven thousand, five hundred twenty-four".
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