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1057608613 = 1249784629
BaseRepresentation
bin111111000010011…
…101001110100101
32201201002002021101
4333002131032211
54131221433423
6252540120101
735131345015
oct7702351645
92651062241
101057608613
114a2aa1006
12256236031
1313b15a819
14a0665c45
1562cb07ad
hex3f09d3a5

1057608613 has 4 divisors (see below), whose sum is σ = 1057705740. Its totient is φ = 1057511488.

The previous prime is 1057608611. The next prime is 1057608631. The reversal of 1057608613 is 3168067501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 853633089 + 203975524 = 29217^2 + 14282^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057608613 - 21 = 1057608611 is a prime.

It is a super-2 number, since 2×10576086132 = 2237071956583567538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057608611) 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, 29818 + ... + 54811.

It is an arithmetic number, because the mean of its divisors is an integer number (264426435).

Almost surely, 21057608613 is an apocalyptic number.

It is an amenable number.

1057608613 is a deficient number, since it is larger than the sum of its proper divisors (97127).

1057608613 is an equidigital number, since it uses as much as digits as its factorization.

1057608613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97126.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1057608613 is about 32520.8950215089. The cubic root of 1057608613 is about 1018.8454875907.

The spelling of 1057608613 in words is "one billion, fifty-seven million, six hundred eight thousand, six hundred thirteen".

Divisors: 1 12497 84629 1057608613