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989788458241 = 11540716641533
BaseRepresentation
bin11100110011100111111…
…11010100110100000001
310111121211001121100121201
432121303333110310001
5112204041321130431
62034411425421201
7131336611036162
oct16316377246401
93447731540551
10989788458241
11351848865490
1213b9b219a801
137244b81283b
1435c98179769
151ab3001e461
hexe673fd4d01

989788458241 has 8 divisors (see below), whose sum is σ = 1079968990464. Its totient is φ = 899641219920.

The previous prime is 989788458199. The next prime is 989788458247. The reversal of 989788458241 is 142854887989.

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 989788458241 - 221 = 989786361089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989788458247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8261290 + ... + 8380243.

It is an arithmetic number, because the mean of its divisors is an integer number (134996123808).

Almost surely, 2989788458241 is an apocalyptic number.

It is an amenable number.

989788458241 is a deficient number, since it is larger than the sum of its proper divisors (90180532223).

989788458241 is a wasteful number, since it uses less digits than its factorization.

989788458241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16646951.

The product of its digits is 371589120, while the sum is 73.

The spelling of 989788458241 in words is "nine hundred eighty-nine billion, seven hundred eighty-eight million, four hundred fifty-eight thousand, two hundred forty-one".

Divisors: 1 11 5407 59477 16641533 183056863 89980768931 989788458241