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4149813797 = 6379650543
BaseRepresentation
bin1111011101011001…
…0010001000100101
3101201012121101100022
43313112102020211
531444323020142
61523440524525
7204556556333
oct36726221045
911635541308
104149813797
11183a509588
12979920745
1351198692c
142b51d0b53
151944b96d2
hexf7592225

4149813797 has 4 divisors (see below), whose sum is σ = 4150470720. Its totient is φ = 4149156876.

The previous prime is 4149813761. The next prime is 4149813839. The reversal of 4149813797 is 7973189414.

It is a happy number.

4149813797 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4149813797 - 222 = 4145619493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149813737) 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, 318893 + ... + 331650.

It is an arithmetic number, because the mean of its divisors is an integer number (1037617680).

Almost surely, 24149813797 is an apocalyptic number.

It is an amenable number.

4149813797 is a deficient number, since it is larger than the sum of its proper divisors (656923).

4149813797 is an equidigital number, since it uses as much as digits as its factorization.

4149813797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656922.

The product of its digits is 1524096, while the sum is 53.

The square root of 4149813797 is about 64419.0484018508. The cubic root of 4149813797 is about 1606.9765405302.

The spelling of 4149813797 in words is "four billion, one hundred forty-nine million, eight hundred thirteen thousand, seven hundred ninety-seven".

Divisors: 1 6379 650543 4149813797