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4902991193 = 43114023051
BaseRepresentation
bin1001001000011110…
…11011010101011001
3110122200211202111102
410210033123111121
540020131204233
62130304041145
7232333510652
oct44417332531
913580752442
104902991193
112096679941
12b4a0031b5
13601a24729
1434724c529
151da6931e8
hex1243db559

4902991193 has 4 divisors (see below), whose sum is σ = 5017014288. Its totient is φ = 4788968100.

The previous prime is 4902991153. The next prime is 4902991207. The reversal of 4902991193 is 3911992094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4902991193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4902991153) 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 3 ways as a sum of consecutive naturals, for example, 57011483 + ... + 57011568.

It is an arithmetic number, because the mean of its divisors is an integer number (1254253572).

Almost surely, 24902991193 is an apocalyptic number.

4902991193 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4902991193 is a deficient number, since it is larger than the sum of its proper divisors (114023095).

4902991193 is a wasteful number, since it uses less digits than its factorization.

4902991193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114023094.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 4902991193 is about 70021.3624046262. The cubic root of 4902991193 is about 1698.8447968420.

Subtracting from 4902991193 its reverse (3911992094), we obtain a palindrome (990999099).

The spelling of 4902991193 in words is "four billion, nine hundred two million, nine hundred ninety-one thousand, one hundred ninety-three".

Divisors: 1 43 114023051 4902991193