Base | Representation |
---|---|
bin | 1001011000111010… |
… | …1101100010000000 |
3 | 20111122122120012100 |
4 | 2112032231202000 |
5 | 20130213021122 |
6 | 1054033430400 |
7 | 116313243255 |
oct | 22616554200 |
9 | 6448576170 |
10 | 2520438912 |
11 | 10837a4072 |
12 | 5a410b400 |
13 | 312237594 |
14 | 19ca5142c |
15 | eb416aac |
hex | 963ad880 |
2520438912 has 96 divisors (see below), whose sum is σ = 7274767500. Its totient is φ = 837605376.
The previous prime is 2520438871. The next prime is 2520438919. The reversal of 2520438912 is 2198340252.
It is a happy number.
2520438912 is a `hidden beast` number, since 2 + 520 + 43 + 8 + 91 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2518433856 + 2005056 = 50184^2 + 1416^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×25204389122 = 12705224618247487488, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2520438919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398914 + ... + 405182.
Almost surely, 22520438912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2520438912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3637383750).
2520438912 is an abundant number, since it is smaller than the sum of its proper divisors (4754328588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2520438912 is a wasteful number, since it uses less digits than its factorization.
2520438912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6638 (or 6623 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 2520438912 is about 50203.9730698677. The cubic root of 2520438912 is about 1360.8974238339.
The spelling of 2520438912 in words is "two billion, five hundred twenty million, four hundred thirty-eight thousand, nine hundred twelve".
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