Search a number
-
+
2057735137 = 2697649573
BaseRepresentation
bin111101010100110…
…1000101111100001
312022101222202221111
41322221220233201
513203240011022
6540104223321
7101664313543
oct17251505741
95271882844
102057735137
119665a0957
1249516ab41
1326a410473
14157407693
15c09b9477
hex7aa68be1

2057735137 has 4 divisors (see below), whose sum is σ = 2065384980. Its totient is φ = 2050085296.

The previous prime is 2057735047. The next prime is 2057735149. The reversal of 2057735137 is 7315377502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 998623201 + 1059111936 = 31601^2 + 32544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2057735137 - 211 = 2057733089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057735137.

It is not an unprimeable number, because it can be changed into a prime (2057735177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3824518 + ... + 3825055.

It is an arithmetic number, because the mean of its divisors is an integer number (516346245).

Almost surely, 22057735137 is an apocalyptic number.

It is an amenable number.

2057735137 is a deficient number, since it is larger than the sum of its proper divisors (7649843).

2057735137 is an equidigital number, since it uses as much as digits as its factorization.

2057735137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649842.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 2057735137 is about 45362.2655629103. The cubic root of 2057735137 is about 1271.9298448396.

The spelling of 2057735137 in words is "two billion, fifty-seven million, seven hundred thirty-five thousand, one hundred thirty-seven".

Divisors: 1 269 7649573 2057735137