Search a number
-
+
48739104893 = 192565216047
BaseRepresentation
bin101101011001000100…
…111011100001111101
311122210201020001201002
4231121010323201331
51244304202324033
634220200100045
73343541361503
oct553104734175
9148721201632
1048739104893
1119740a54986
129542764625
13479977704b
1425050ac673
151403d2b3e8
hexb5913b87d

48739104893 has 4 divisors (see below), whose sum is σ = 51304320960. Its totient is φ = 46173888828.

The previous prime is 48739104877. The next prime is 48739104901. The reversal of 48739104893 is 39840193784.

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 not a de Polignac number, because 48739104893 - 24 = 48739104877 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 (48739101893) 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, 1282608005 + ... + 1282608042.

It is an arithmetic number, because the mean of its divisors is an integer number (12826080240).

Almost surely, 248739104893 is an apocalyptic number.

It is an amenable number.

48739104893 is a deficient number, since it is larger than the sum of its proper divisors (2565216067).

48739104893 is a wasteful number, since it uses less digits than its factorization.

48739104893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565216066.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 48739104893 in words is "forty-eight billion, seven hundred thirty-nine million, one hundred four thousand, eight hundred ninety-three".

Divisors: 1 19 2565216047 48739104893