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11390494601 = 38629294869
BaseRepresentation
bin10101001101110110…
…10010011110001001
31002101211020002010102
422212323102132021
5141311431311401
65122133455145
7552160415033
oct124673223611
932354202112
1011390494601
114915701202
12225a7a14b5
1310c6abb545
147a0abcc53
15469ec656b
hex2a6ed2789

11390494601 has 4 divisors (see below), whose sum is σ = 11390828100. Its totient is φ = 11390161104.

The previous prime is 11390494567. The next prime is 11390494613. The reversal of 11390494601 is 10649409311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10649409311 = 40639262049.

It can be written as a sum of positive squares in 2 ways, for example, as 433638976 + 10956855625 = 20824^2 + 104675^2 .

It is a cyclic number.

It is not a de Polignac number, because 11390494601 - 214 = 11390478217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11390494001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108806 + ... + 186063.

It is an arithmetic number, because the mean of its divisors is an integer number (2847707025).

Almost surely, 211390494601 is an apocalyptic number.

It is an amenable number.

11390494601 is a deficient number, since it is larger than the sum of its proper divisors (333499).

11390494601 is an equidigital number, since it uses as much as digits as its factorization.

11390494601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333498.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 11390494601 in words is "eleven billion, three hundred ninety million, four hundred ninety-four thousand, six hundred one".

Divisors: 1 38629 294869 11390494601