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2160057481 is a prime number
BaseRepresentation
bin1000000010111111…
…1101110010001001
312120112112021210221
42000233331302021
513410433314411
6554201310041
7104346120451
oct20057756211
95515467727
102160057481
11a0932917a
12503495321
1328568802a
14166c40d61
15c997c071
hex80bfdc89

2160057481 has 2 divisors, whose sum is σ = 2160057482. Its totient is φ = 2160057480.

The previous prime is 2160057433. The next prime is 2160057511. The reversal of 2160057481 is 1847500612.

2160057481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1267004025 + 893053456 = 35595^2 + 29884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160057481 - 219 = 2159533193 is a prime.

It is a super-2 number, since 2×21600574812 = 9331696642448130722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2160057881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080028740 + 1080028741.

It is an arithmetic number, because the mean of its divisors is an integer number (1080028741).

Almost surely, 22160057481 is an apocalyptic number.

It is an amenable number.

2160057481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160057481 is an equidigital number, since it uses as much as digits as its factorization.

2160057481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 2160057481 is about 46476.4185474742. The cubic root of 2160057481 is about 1292.6722804971.

The spelling of 2160057481 in words is "two billion, one hundred sixty million, fifty-seven thousand, four hundred eighty-one".