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5494137161 = 31177230231
BaseRepresentation
bin1010001110111100…
…11110000101001001
3112011220012002022112
411013132132011021
542222444342121
62305102232105
7253102252412
oct50736360511
915156162275
105494137161
11236a32a627
121093b85635
13697340246
143a196c809
1522251275b
hex14779e149

5494137161 has 4 divisors (see below), whose sum is σ = 5671367424. Its totient is φ = 5316906900.

The previous prime is 5494137151. The next prime is 5494137193. The reversal of 5494137161 is 1617314945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5494137161 is a prime.

It is a super-2 number, since 2×54941371612 = 60371086287762279842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5494137101) 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, 88615085 + ... + 88615146.

It is an arithmetic number, because the mean of its divisors is an integer number (1417841856).

Almost surely, 25494137161 is an apocalyptic number.

It is an amenable number.

5494137161 is a deficient number, since it is larger than the sum of its proper divisors (177230263).

5494137161 is a wasteful number, since it uses less digits than its factorization.

5494137161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177230262.

The product of its digits is 90720, while the sum is 41.

The square root of 5494137161 is about 74122.4470791406. The cubic root of 5494137161 is about 1764.5467366721.

The spelling of 5494137161 in words is "five billion, four hundred ninety-four million, one hundred thirty-seven thousand, one hundred sixty-one".

Divisors: 1 31 177230231 5494137161