Search a number
-
+
4992431243 = 7170315933
BaseRepresentation
bin1001010011001001…
…00111010010001011
3110212221010210011212
410221210213102023
540211030244433
62143221043335
7234500652062
oct45144472213
913787123155
104992431243
112132108538
12b73b5654b
1361740b837
143550911d9
151e345dd48
hex12992748b

4992431243 has 4 divisors (see below), whose sum is σ = 5062747248. Its totient is φ = 4922115240.

The previous prime is 4992431209. The next prime is 4992431251. The reversal of 4992431243 is 3421342994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4992431243 - 230 = 3918689419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4992431243.

It is not an unprimeable number, because it can be changed into a prime (4992421243) 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, 35157896 + ... + 35158037.

It is an arithmetic number, because the mean of its divisors is an integer number (1265686812).

Almost surely, 24992431243 is an apocalyptic number.

4992431243 is a deficient number, since it is larger than the sum of its proper divisors (70316005).

4992431243 is an equidigital number, since it uses as much as digits as its factorization.

4992431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70316004.

The product of its digits is 186624, while the sum is 41.

The square root of 4992431243 is about 70657.1386556235. The cubic root of 4992431243 is about 1709.1126847810.

The spelling of 4992431243 in words is "four billion, nine hundred ninety-two million, four hundred thirty-one thousand, two hundred forty-three".

Divisors: 1 71 70315933 4992431243