Search a number
-
+
5115492149 = 29773228197
BaseRepresentation
bin1001100001110100…
…00011011100110101
3111012111200221000012
410300322003130311
540434031222044
62203334430005
7240523652165
oct46072033465
914174627005
105115492149
11219561aa69
12ba9202305
13636a67a41
143675665a5
151ee16b59e
hex130e83735

5115492149 has 8 divisors (see below), whose sum is σ = 5298757560. Its totient is φ = 4932684736.

The previous prime is 5115492127. The next prime is 5115492191. The reversal of 5115492149 is 9412945115.

It can be written as a sum of positive squares in 4 ways, for example, as 38217124 + 5077275025 = 6182^2 + 71255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5115492149 - 220 = 5114443573 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 (5115492199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91682 + ... + 136515.

It is an arithmetic number, because the mean of its divisors is an integer number (662344695).

Almost surely, 25115492149 is an apocalyptic number.

It is an amenable number.

5115492149 is a deficient number, since it is larger than the sum of its proper divisors (183265411).

5115492149 is a wasteful number, since it uses less digits than its factorization.

5115492149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228999.

The product of its digits is 64800, while the sum is 41.

The square root of 5115492149 is about 71522.6687771087. The cubic root of 5115492149 is about 1723.0417769106.

The spelling of 5115492149 in words is "five billion, one hundred fifteen million, four hundred ninety-two thousand, one hundred forty-nine".

Divisors: 1 29 773 22417 228197 6617713 176396281 5115492149