Base | Representation |
---|---|
bin | 1001011001000001… |
… | …1110011101101001 |
3 | 20111200112001201112 |
4 | 2112100132131221 |
5 | 20130322321411 |
6 | 1054051400105 |
7 | 116320211000 |
oct | 22620363551 |
9 | 6450461645 |
10 | 2520901481 |
11 | 1083a8a65a |
12 | 5a42b3035 |
13 | 312369ca7 |
14 | 19cb31c37 |
15 | eb4a8b8b |
hex | 9641e769 |
2520901481 has 32 divisors (see below), whose sum is σ = 3018489600. Its totient is φ = 2103760512.
The previous prime is 2520901463. The next prime is 2520901507. The reversal of 2520901481 is 1841090252.
2520901481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2520901481 - 222 = 2516707177 is a prime.
It is a super-2 number, since 2×25209014812 = 12709888553815986722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2520901451) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2077631 + ... + 2078843.
It is an arithmetic number, because the mean of its divisors is an integer number (94327800).
Almost surely, 22520901481 is an apocalyptic number.
It is an amenable number.
2520901481 is a deficient number, since it is larger than the sum of its proper divisors (497588119).
2520901481 is an equidigital number, since it uses as much as digits as its factorization.
2520901481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1390 (or 1376 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 32.
The square root of 2520901481 is about 50208.5797548586. The cubic root of 2520901481 is about 1360.9806726219.
The spelling of 2520901481 in words is "two billion, five hundred twenty million, nine hundred one thousand, four hundred eighty-one".
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