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298480319681 = 1573495447417
BaseRepresentation
bin1000101011111101101…
…00000011110011000001
31001112102121101021020212
410111332310003303001
514342241430212211
6345041525043505
730364422566435
oct4257664036301
91045377337225
10298480319681
111056483a4a55
1249a20556595
13221ba03889b
14106373989c5
157b6e07838b
hex457ed03cc1

298480319681 has 8 divisors (see below), whose sum is σ = 301242215400. Its totient is φ = 295729319808.

The previous prime is 298480319663. The next prime is 298480319689. The reversal of 298480319681 is 186913084892.

It can be written as a sum of positive squares in 4 ways, for example, as 15477599281 + 283002720400 = 124409^2 + 531980^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 298480319681 - 218 = 298480057537 is a prime.

It is a super-2 number, since 2×2984803196812 (a number of 24 digits) contains 22 as substring.

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 298480319681.

It is not an unprimeable number, because it can be changed into a prime (298480319689) 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, 2668916 + ... + 2778501.

It is an arithmetic number, because the mean of its divisors is an integer number (37655276925).

Almost surely, 2298480319681 is an apocalyptic number.

It is an amenable number.

298480319681 is a deficient number, since it is larger than the sum of its proper divisors (2761895719).

298480319681 is a wasteful number, since it uses less digits than its factorization.

298480319681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447923.

The product of its (nonzero) digits is 5971968, while the sum is 59.

The spelling of 298480319681 in words is "two hundred ninety-eight billion, four hundred eighty million, three hundred nineteen thousand, six hundred eighty-one".

Divisors: 1 157 349 54793 5447417 855244469 1901148533 298480319681