Base | Representation |
---|---|
bin | 1010001000100100… |
… | …0001000010000000 |
3 | 21000120200011100210 |
4 | 2202021001002000 |
5 | 21032342210022 |
6 | 1125532514120 |
7 | 124260635436 |
oct | 24211010200 |
9 | 7016604323 |
10 | 2720272512 |
11 | 1176583001 |
12 | 63b01b940 |
13 | 344763c09 |
14 | 1bb3ccd56 |
15 | 10dc3ba0c |
hex | a2241080 |
2720272512 has 32 divisors (see below), whose sum is σ = 7225724880. Its totient is φ = 906757376.
The previous prime is 2720272463. The next prime is 2720272517. The reversal of 2720272512 is 2152720272.
It is a tau number, because it is divible by the number of its divisors (32).
It is a self number, because there is not a number n which added to its sum of digits gives 2720272512.
It is not an unprimeable number, because it can be changed into a prime (2720272517) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3541638 + ... + 3542405.
Almost surely, 22720272512 is an apocalyptic number.
It is an amenable number.
2720272512 is an abundant number, since it is smaller than the sum of its proper divisors (4505452368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2720272512 is an equidigital number, since it uses as much as digits as its factorization.
2720272512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7084060 (or 7084048 counting only the distinct ones).
The product of its (nonzero) digits is 7840, while the sum is 30.
The square root of 2720272512 is about 52156.2317657248. The cubic root of 2720272512 is about 1395.9530256249.
Adding to 2720272512 its reverse (2152720272), we get a palindrome (4872992784).
The spelling of 2720272512 in words is "two billion, seven hundred twenty million, two hundred seventy-two thousand, five hundred twelve".
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