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26381125853 = 611939122303
BaseRepresentation
bin11000100100011100…
…000000100011011101
32112002112202001022022
4120210130000203131
5413012032011403
620041435025525
71622514604235
oct304434004335
975075661268
1026381125853
1110208504355
125142b9b2a5
132645707154
1413c3984cc5
15a46089d38
hex6247008dd

26381125853 has 8 divisors (see below), whose sum is σ = 26816188416. Its totient is φ = 25946146800.

The previous prime is 26381125733. The next prime is 26381125877. The reversal of 26381125853 is 35852118362.

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 26381125853 - 220 = 26380077277 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 (26381125553) 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, 1171700 + ... + 1194002.

It is an arithmetic number, because the mean of its divisors is an integer number (3352023552).

Almost surely, 226381125853 is an apocalyptic number.

It is an amenable number.

26381125853 is a deficient number, since it is larger than the sum of its proper divisors (435062563).

26381125853 is a wasteful number, since it uses less digits than its factorization.

26381125853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41755.

The product of its digits is 345600, while the sum is 44.

The spelling of 26381125853 in words is "twenty-six billion, three hundred eighty-one million, one hundred twenty-five thousand, eight hundred fifty-three".

Divisors: 1 61 19391 22303 1182851 1360483 432477473 26381125853