Search a number
-
+
4949720913 = 31986837209
BaseRepresentation
bin1001001110000011…
…01011111101010001
3110202221202212121210
410213001223331101
540114112032123
62135053410333
7233441635134
oct44701537521
913687685553
104949720913
11210aa96645
12b617999a9
1360b606457
1434d53421b
151de823e93
hex12706bf51

4949720913 has 8 divisors (see below), whose sum is σ = 6946976800. Its totient is φ = 3126139488.

The previous prime is 4949720903. The next prime is 4949720953. The reversal of 4949720913 is 3190279494.

It is a happy number.

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

It is not a de Polignac number, because 4949720913 - 29 = 4949720401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4949720903) 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 7 ways as a sum of consecutive naturals, for example, 43418548 + ... + 43418661.

It is an arithmetic number, because the mean of its divisors is an integer number (868372100).

Almost surely, 24949720913 is an apocalyptic number.

It is an amenable number.

4949720913 is a deficient number, since it is larger than the sum of its proper divisors (1997255887).

4949720913 is a wasteful number, since it uses less digits than its factorization.

4949720913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86837231.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 4949720913 is about 70354.2529844501. The cubic root of 4949720913 is about 1704.2248908998.

The spelling of 4949720913 in words is "four billion, nine hundred forty-nine million, seven hundred twenty thousand, nine hundred thirteen".

Divisors: 1 3 19 57 86837209 260511627 1649906971 4949720913