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4906919487 = 31635639829
BaseRepresentation
bin1001001000111100…
…11010011000111111
3110122222020100002210
410210132122120333
540022132410422
62130524151503
7232412061501
oct44436323077
913588210083
104906919487
112098912268
12b4b398593
1360279b772
14347991d71
151dabbc10c
hex12479a63f

4906919487 has 4 divisors (see below), whose sum is σ = 6542559320. Its totient is φ = 3271279656.

The previous prime is 4906919453. The next prime is 4906919519. The reversal of 4906919487 is 7849196094.

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

It is not a de Polignac number, because 4906919487 - 226 = 4839810623 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 (4906919887) 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, 817819912 + ... + 817819917.

It is an arithmetic number, because the mean of its divisors is an integer number (1635639830).

Almost surely, 24906919487 is an apocalyptic number.

4906919487 is a deficient number, since it is larger than the sum of its proper divisors (1635639833).

4906919487 is a wasteful number, since it uses less digits than its factorization.

4906919487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635639832.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 4906919487 is about 70049.4074707274. The cubic root of 4906919487 is about 1699.2983825587.

The spelling of 4906919487 in words is "four billion, nine hundred six million, nine hundred nineteen thousand, four hundred eighty-seven".

Divisors: 1 3 1635639829 4906919487