Search a number
-
+
5138646245 = 57948726713
BaseRepresentation
bin1001100100100100…
…11000010011100101
3111021010021021110022
410302102120103211
541010443134440
62205523004525
7241224525635
oct46222302345
914233237408
105138646245
1121a76a4a87
12bb4b09745
1363b7b39a5
1436a6726c5
152011e1cb5
hex1324984e5

5138646245 has 16 divisors (see below), whose sum is σ = 6257487360. Its totient is φ = 4050393984.

The previous prime is 5138646239. The next prime is 5138646251. The reversal of 5138646245 is 5426468315.

It is an interprime number because it is at equal distance from previous prime (5138646239) and next prime (5138646251).

It is a cyclic number.

It is not a de Polignac number, because 5138646245 - 26 = 5138646181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5138646196 and 5138646205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179009 + ... + 205721.

It is an arithmetic number, because the mean of its divisors is an integer number (391092960).

Almost surely, 25138646245 is an apocalyptic number.

It is an amenable number.

5138646245 is a deficient number, since it is larger than the sum of its proper divisors (1118841115).

5138646245 is a wasteful number, since it uses less digits than its factorization.

5138646245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27284.

The product of its digits is 691200, while the sum is 44.

The square root of 5138646245 is about 71684.3514652954. The cubic root of 5138646245 is about 1725.6375149747.

The spelling of 5138646245 in words is "five billion, one hundred thirty-eight million, six hundred forty-six thousand, two hundred forty-five".

Divisors: 1 5 79 395 487 2435 26713 38473 133565 192365 2110327 10551635 13009231 65046155 1027729249 5138646245