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26905887214 = 213452943607
BaseRepresentation
bin11001000011101101…
…110100000111101110
32120110010011200120021
4121003231310013232
5420100401342324
620205502312354
71641516160603
oct310355640756
976403150507
1026905887214
1110457743328
12526a8886ba
1326ca34b92b
1414335446aa
15a77194ae4
hex643b741ee

26905887214 has 4 divisors (see below), whose sum is σ = 40358830824. Its totient is φ = 13452943606.

The previous prime is 26905887179. The next prime is 26905887221. The reversal of 26905887214 is 41278850962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41278850962 = 220639425481.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6726471802 + ... + 6726471805.

It is an arithmetic number, because the mean of its divisors is an integer number (10089707706).

Almost surely, 226905887214 is an apocalyptic number.

26905887214 is a deficient number, since it is larger than the sum of its proper divisors (13452943610).

26905887214 is a wasteful number, since it uses less digits than its factorization.

26905887214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13452943609.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 26905887214 in words is "twenty-six billion, nine hundred five million, eight hundred eighty-seven thousand, two hundred fourteen".

Divisors: 1 2 13452943607 26905887214