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3049742923 = 15120196973
BaseRepresentation
bin1011010111000111…
…0110001001001011
321212112121222210121
42311301312021023
522221213233143
61222342324111
7135401246533
oct26561661113
97775558717
103049742923
111325555aa7
12711429637
13397aac916
1420d0744c3
1512cb1c7ed
hexb5c7624b

3049742923 has 4 divisors (see below), whose sum is σ = 3069940048. Its totient is φ = 3029545800.

The previous prime is 3049742911. The next prime is 3049742929. The reversal of 3049742923 is 3292479403.

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 3049742923 - 225 = 3016188491 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 3049742923.

It is not an unprimeable number, because it can be changed into a prime (3049742929) 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, 10098336 + ... + 10098637.

It is an arithmetic number, because the mean of its divisors is an integer number (767485012).

Almost surely, 23049742923 is an apocalyptic number.

3049742923 is a deficient number, since it is larger than the sum of its proper divisors (20197125).

3049742923 is a wasteful number, since it uses less digits than its factorization.

3049742923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20197124.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 3049742923 is about 55224.4775710916. The cubic root of 3049742923 is about 1450.1772154390.

The spelling of 3049742923 in words is "three billion, forty-nine million, seven hundred forty-two thousand, nine hundred twenty-three".

Divisors: 1 151 20196973 3049742923