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26465460013 = 1491571131341
BaseRepresentation
bin11000101001011101…
…101101111100101101
32112022102102200000201
4120221131231330231
5413200124210023
620054050353501
71624560461356
oct305135557455
975272380021
1026465460013
1110251075903
12516728b891
13265a024215
1413d0c58d2d
15a4d697bad
hex62976df2d

26465460013 has 8 divisors (see below), whose sum is σ = 26812805400. Its totient is φ = 26120377920.

The previous prime is 26465459981. The next prime is 26465460019. The reversal of 26465460013 is 31006456462.

It can be written as a sum of positive squares in 4 ways, for example, as 963605764 + 25501854249 = 31042^2 + 159693^2 .

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 26465460013 - 25 = 26465459981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26465460019) 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, 542278 + ... + 589063.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600675).

Almost surely, 226465460013 is an apocalyptic number.

It is an amenable number.

26465460013 is a deficient number, since it is larger than the sum of its proper divisors (347345387).

26465460013 is a wasteful number, since it uses less digits than its factorization.

26465460013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131647.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 26465460013 in words is "twenty-six billion, four hundred sixty-five million, four hundred sixty thousand, thirteen".

Divisors: 1 149 157 23393 1131341 168569809 177620537 26465460013