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26478885341 = 40897647453
BaseRepresentation
bin11000101010010000…
…111011100111011101
32112100100200202010002
4120222100323213131
5413212043312331
620055250224045
71625112545306
oct305220734735
975310622102
1026478885341
1110258705517
12516b885025
13265ca44bbc
1413d29517ad
15a4e94a9cb
hex62a43b9dd

26478885341 has 4 divisors (see below), whose sum is σ = 26479573692. Its totient is φ = 26478196992.

The previous prime is 26478885289. The next prime is 26478885373. The reversal of 26478885341 is 14358887462.

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 14483159716 + 11995725625 = 120346^2 + 109525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26478885341 is a prime.

It is a super-2 number, since 2×264788853412 (a number of 22 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 (26478885541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282830 + ... + 364623.

It is an arithmetic number, because the mean of its divisors is an integer number (6619893423).

Almost surely, 226478885341 is an apocalyptic number.

It is an amenable number.

26478885341 is a deficient number, since it is larger than the sum of its proper divisors (688351).

26478885341 is an equidigital number, since it uses as much as digits as its factorization.

26478885341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688350.

The product of its digits is 10321920, while the sum is 56.

The spelling of 26478885341 in words is "twenty-six billion, four hundred seventy-eight million, eight hundred eighty-five thousand, three hundred forty-one".

Divisors: 1 40897 647453 26478885341