Search a number
-
+
48739731999 = 372320939619
BaseRepresentation
bin101101011001000111…
…010100101000011111
311122210202101220221020
4231121013110220133
51244304332410444
634220221335223
73343546613010
oct553107245037
9148722356836
1048739731999
1119741343052
129542a07513
13479993660a
1425051d3007
151403e02119
hexb591d4a1f

48739731999 has 8 divisors (see below), whose sum is σ = 74270067840. Its totient is φ = 27851275416.

The previous prime is 48739731983. The next prime is 48739732033. The reversal of 48739731999 is 99913793784.

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

It is not a de Polignac number, because 48739731999 - 24 = 48739731983 is a prime.

It is a super-2 number, since 2×487397319992 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48739731199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160469789 + ... + 1160469830.

It is an arithmetic number, because the mean of its divisors is an integer number (9283758480).

Almost surely, 248739731999 is an apocalyptic number.

48739731999 is a deficient number, since it is larger than the sum of its proper divisors (25530335841).

48739731999 is a wasteful number, since it uses less digits than its factorization.

48739731999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320939629.

The product of its digits is 92588832, while the sum is 69.

The spelling of 48739731999 in words is "forty-eight billion, seven hundred thirty-nine million, seven hundred thirty-one thousand, nine hundred ninety-nine".

Divisors: 1 3 7 21 2320939619 6962818857 16246577333 48739731999