Search a number
-
+
1057087051 = 4125782611
BaseRepresentation
bin111111000000011…
…101111001001011
32201200002120211021
4333000131321023
54131103241201
6252521013311
735124043306
oct7700357113
92650076737
101057087051
114a2775169
12256024237
1313b0072c7
14a056bb3d
1562c0aea1
hex3f01de4b

1057087051 has 4 divisors (see below), whose sum is σ = 1082869704. Its totient is φ = 1031304400.

The previous prime is 1057087037. The next prime is 1057087079. The reversal of 1057087051 is 1507807501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1507807501 = 11811276721.

It is a cyclic number.

It is not a de Polignac number, because 1057087051 - 215 = 1057054283 is a prime.

It is a super-2 number, since 2×10570870512 = 2234866066783753202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1057086998 and 1057087016.

It is not an unprimeable number, because it can be changed into a prime (1057087351) 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, 12891265 + ... + 12891346.

It is an arithmetic number, because the mean of its divisors is an integer number (270717426).

Almost surely, 21057087051 is an apocalyptic number.

1057087051 is a deficient number, since it is larger than the sum of its proper divisors (25782653).

1057087051 is an equidigital number, since it uses as much as digits as its factorization.

1057087051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25782652.

The product of its (nonzero) digits is 9800, while the sum is 34.

The square root of 1057087051 is about 32512.8751573896. The cubic root of 1057087051 is about 1018.6779780918.

The spelling of 1057087051 in words is "one billion, fifty-seven million, eighty-seven thousand, fifty-one".

Divisors: 1 41 25782611 1057087051