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104257688089 = 109739501293
BaseRepresentation
bin110000100011000111…
…1100001001000011001
3100222002220020022022011
41201012033201020121
53202004432004324
6115521220025521
710350413504212
oct1410617411031
9328086208264
10104257688089
1140240824195
12182578322a1
139aa6935cc9
1450906d2409
152aa2e11c94
hex18463e1219

104257688089 has 4 divisors (see below), whose sum is σ = 104267200356. Its totient is φ = 104248175824.

The previous prime is 104257688083. The next prime is 104257688107. The reversal of 104257688089 is 980886752401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 980886752401 = 2741357857261.

It can be written as a sum of positive squares in 2 ways, for example, as 27392898064 + 76864790025 = 165508^2 + 277245^2 .

It is a cyclic number.

It is not a de Polignac number, because 104257688089 - 211 = 104257686041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104257688083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4739674 + ... + 4761619.

It is an arithmetic number, because the mean of its divisors is an integer number (26066800089).

Almost surely, 2104257688089 is an apocalyptic number.

It is an amenable number.

104257688089 is a deficient number, since it is larger than the sum of its proper divisors (9512267).

104257688089 is an equidigital number, since it uses as much as digits as its factorization.

104257688089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512266.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 104257688089 in words is "one hundred four billion, two hundred fifty-seven million, six hundred eighty-eight thousand, eighty-nine".

Divisors: 1 10973 9501293 104257688089