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989472274989 = 31129984008333
BaseRepresentation
bin11100110011000010010…
…01001011101000101101
310111121000000122120201220
432121201021023220231
5112202414400244424
62034320212453553
7131326021365132
oct16314111135055
93447000576656
10989472274989
113516a6338310
1213b92431a2b9
13723cb169963
1435c68192589
151ab123b5579
hexe66124ba2d

989472274989 has 8 divisors (see below), whose sum is σ = 1439232400032. Its totient is φ = 599680166640.

The previous prime is 989472274969. The next prime is 989472274997.

989472274989 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 989472274989 - 25 = 989472274957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989472274919) 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, 14992004134 + ... + 14992004199.

It is an arithmetic number, because the mean of its divisors is an integer number (179904050004).

Almost surely, 2989472274989 is an apocalyptic number.

It is an amenable number.

989472274989 is a deficient number, since it is larger than the sum of its proper divisors (449760125043).

989472274989 is a wasteful number, since it uses less digits than its factorization.

989472274989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29984008347.

The product of its digits is 1316818944, while the sum is 78.

The spelling of 989472274989 in words is "nine hundred eighty-nine billion, four hundred seventy-two million, two hundred seventy-four thousand, nine hundred eighty-nine".

Divisors: 1 3 11 33 29984008333 89952024999 329824091663 989472274989