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89539208478719 = 439541377008781
BaseRepresentation
bin10100010110111101111000…
…101101101111111111111111
3102202000212100101112122122022
4110112331320231233333333
543214002244332304334
6514233424452110355
724600665025254666
oct2426757055577777
9382025311478568
1089539208478719
11265914019a408a
12a06136b9053bb
133ac6684c4a62c
141817a13cabddd
15a541c0ed082e
hex516f78b6ffff

89539208478719 has 8 divisors (see below), whose sum is σ = 89909054331360. Its totient is φ = 89170116645600.

The previous prime is 89539208478697. The next prime is 89539208478751. The reversal of 89539208478719 is 91787480293598.

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 89539208478719 - 220 = 89539207430143 is a prime.

It is a super-2 number, since 2×895392084787192 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89539208478019) 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, 188266892 + ... + 188741889.

It is an arithmetic number, because the mean of its divisors is an integer number (11238631791420).

Almost surely, 289539208478719 is an apocalyptic number.

89539208478719 is a deficient number, since it is larger than the sum of its proper divisors (369845852641).

89539208478719 is a wasteful number, since it uses less digits than its factorization.

89539208478719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377009761.

The product of its (nonzero) digits is 2194698240, while the sum is 80.

The spelling of 89539208478719 in words is "eighty-nine trillion, five hundred thirty-nine billion, two hundred eight million, four hundred seventy-eight thousand, seven hundred nineteen".

Divisors: 1 439 541 237499 377008781 165506854859 203961750521 89539208478719