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5149460993 = 9209559177
BaseRepresentation
bin1001100101110111…
…01000101000000001
3111021212121201111112
410302323220220001
541021230222433
62210550453105
7241415460545
oct46273505001
914255551445
105149460993
112202811296
12bb8664195
13640acc351
1436bc89a25
1520212b348
hex132ee8a01

5149460993 has 4 divisors (see below), whose sum is σ = 5150029380. Its totient is φ = 5148892608.

The previous prime is 5149460989. The next prime is 5149461011. The reversal of 5149460993 is 3990649415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3990649415 = 5798129883.

It can be written as a sum of positive squares in 2 ways, for example, as 364695409 + 4784765584 = 19097^2 + 69172^2 .

It is a cyclic number.

It is not a de Polignac number, because 5149460993 - 22 = 5149460989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5149460923) 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, 270380 + ... + 288797.

It is an arithmetic number, because the mean of its divisors is an integer number (1287507345).

Almost surely, 25149460993 is an apocalyptic number.

It is an amenable number.

5149460993 is a deficient number, since it is larger than the sum of its proper divisors (568387).

5149460993 is an equidigital number, since it uses as much as digits as its factorization.

5149460993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568386.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 5149460993 is about 71759.7449340506. The cubic root of 5149460993 is about 1726.8472536924.

The spelling of 5149460993 in words is "five billion, one hundred forty-nine million, four hundred sixty thousand, nine hundred ninety-three".

Divisors: 1 9209 559177 5149460993