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11345161937 = 13782811401
BaseRepresentation
bin10101001000011100…
…10110111011010001
31002021122220221101212
422210032112323101
5141213330140222
65113434105505
7551100166604
oct124416267321
932248827355
1011345161937
1148a205909a
12224757b295
1310ba5a8695
14798a7c33b
1546601e6e2
hex2a4396ed1

11345161937 has 4 divisors (see below), whose sum is σ = 11427973476. Its totient is φ = 11262350400.

The previous prime is 11345161931. The next prime is 11345161967. The reversal of 11345161937 is 73916154311.

11345161937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73916154311 = 237673110033.

It can be written as a sum of positive squares in 2 ways, for example, as 9906021841 + 1439140096 = 99529^2 + 37936^2 .

It is a cyclic number.

It is not a de Polignac number, because 11345161937 - 26 = 11345161873 is a prime.

It is a super-3 number, since 3×113451619373 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11345161894 and 11345161903.

It is not an unprimeable number, because it can be changed into a prime (11345161931) 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, 41405564 + ... + 41405837.

It is an arithmetic number, because the mean of its divisors is an integer number (2856993369).

Almost surely, 211345161937 is an apocalyptic number.

It is an amenable number.

11345161937 is a deficient number, since it is larger than the sum of its proper divisors (82811539).

11345161937 is an equidigital number, since it uses as much as digits as its factorization.

11345161937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82811538.

The product of its digits is 68040, while the sum is 41.

The spelling of 11345161937 in words is "eleven billion, three hundred forty-five million, one hundred sixty-one thousand, nine hundred thirty-seven".

Divisors: 1 137 82811401 11345161937