Search a number
-
+
4989502479 = 313127935961
BaseRepresentation
bin1001010010110010…
…11100010000001111
3110212201121222200010
410221121130100033
540204303034404
62143034204303
7234434033313
oct45131342017
913781558603
104989502479
112130498075
12b72b83693
13616924740
1435492bb43
151e3081189
hex12965c40f

4989502479 has 8 divisors (see below), whose sum is σ = 7164413872. Its totient is φ = 3070463040.

The previous prime is 4989502471. The next prime is 4989502481. The reversal of 4989502479 is 9742059894.

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

It is not a de Polignac number, because 4989502479 - 23 = 4989502471 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 (4989502471) 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, 63967942 + ... + 63968019.

It is an arithmetic number, because the mean of its divisors is an integer number (895551734).

Almost surely, 24989502479 is an apocalyptic number.

4989502479 is a deficient number, since it is larger than the sum of its proper divisors (2174911393).

4989502479 is a wasteful number, since it uses less digits than its factorization.

4989502479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127935977.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The square root of 4989502479 is about 70636.4104339964. The cubic root of 4989502479 is about 1708.7784076452.

The spelling of 4989502479 in words is "four billion, nine hundred eighty-nine million, five hundred two thousand, four hundred seventy-nine".

Divisors: 1 3 13 39 127935961 383807883 1663167493 4989502479