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259068819841 = 1319928370757
BaseRepresentation
bin1111000101000110110…
…1000111100110000001
3220202200221200122012121
43301101231013212001
513221033104213331
6315003051524241
724500652430516
oct3612155074601
9822627618177
10259068819841
119a96365a887
1242261759681
131b578b86790
14c77901d30d
156b1408bc11
hex3c51b47981

259068819841 has 4 divisors (see below), whose sum is σ = 278997190612. Its totient is φ = 239140449072.

The previous prime is 259068819829. The next prime is 259068819847. The reversal of 259068819841 is 148918860952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132844941441 + 126223878400 = 364479^2 + 355280^2 .

It is a cyclic number.

It is not a de Polignac number, because 259068819841 - 29 = 259068819329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 259068819841.

It is not an unprimeable number, because it can be changed into a prime (259068819847) 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, 9964185366 + ... + 9964185391.

It is an arithmetic number, because the mean of its divisors is an integer number (69749297653).

Almost surely, 2259068819841 is an apocalyptic number.

It is an amenable number.

259068819841 is a deficient number, since it is larger than the sum of its proper divisors (19928370771).

259068819841 is a wasteful number, since it uses less digits than its factorization.

259068819841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19928370770.

The product of its (nonzero) digits is 9953280, while the sum is 61.

The spelling of 259068819841 in words is "two hundred fifty-nine billion, sixty-eight million, eight hundred nineteen thousand, eight hundred forty-one".

Divisors: 1 13 19928370757 259068819841