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4986996894 = 2321125186853
BaseRepresentation
bin1001010010011111…
…11000100010011110
3110212112220200122200
410221033320202132
540203132400034
62142504352330
7234403526355
oct45117704236
913775820580
104986996894
11212a036640
12b721756a6
13616258149
1435447899c
151e2c38a99
hex1293f889e

4986996894 has 24 divisors (see below), whose sum is σ = 11787447672. Its totient is φ = 1511211120.

The previous prime is 4986996881. The next prime is 4986996913.

It is a happy number.

4986996894 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12593229 + ... + 12593624.

It is an arithmetic number, because the mean of its divisors is an integer number (491143653).

Almost surely, 24986996894 is an apocalyptic number.

4986996894 is an abundant number, since it is smaller than the sum of its proper divisors (6800450778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4986996894 is a wasteful number, since it uses less digits than its factorization.

4986996894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25186872 (or 25186869 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The square root of 4986996894 is about 70618.6724174280. The cubic root of 4986996894 is about 1708.4923265884.

The spelling of 4986996894 in words is "four billion, nine hundred eighty-six million, nine hundred ninety-six thousand, eight hundred ninety-four".