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64872876506341 = 7926916631835657
BaseRepresentation
bin11101100000000011001001…
…10000100111110011100101
322111200210020022020001122111
432300001210300213303211
532000334122341200331
6345550104341201021
716443624233014231
oct1660014460476345
9274623208201574
1064872876506341
1119741483612302
12733896b100171
132a276419a4297
141203c14a715c1
1577775bc5ddb1
hex3b0064c27ce5

64872876506341 has 16 divisors (see below), whose sum is σ = 65977954099200. Its totient is φ = 63775183125888.

The previous prime is 64872876506327. The next prime is 64872876506351. The reversal of 64872876506341 is 14360567827846.

It is not a de Polignac number, because 64872876506341 - 219 = 64872875982053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64872876506351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34422585 + ... + 36258241.

It is an arithmetic number, because the mean of its divisors is an integer number (4123622131200).

Almost surely, 264872876506341 is an apocalyptic number.

It is an amenable number.

64872876506341 is a deficient number, since it is larger than the sum of its proper divisors (1105077592859).

64872876506341 is a wasteful number, since it uses less digits than its factorization.

64872876506341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837668.

The product of its (nonzero) digits is 325140480, while the sum is 67.

The spelling of 64872876506341 in words is "sixty-four trillion, eight hundred seventy-two billion, eight hundred seventy-six million, five hundred six thousand, three hundred forty-one".

Divisors: 1 79 269 1663 21251 131377 447347 1835657 35340413 145016903 493791733 3052697591 39009546907 241163109689 821175651979 64872876506341