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26105248144 = 241795975177
BaseRepresentation
bin11000010011111111…
…100111100110010000
32111101022122000020101
4120103333213212100
5411430420420034
615554222022144
71612624643113
oct302377474620
974338560211
1026105248144
1110086806348
125086717954
132600503bc1
14139909057a
15a2bc43514
hex613fe7990

26105248144 has 20 divisors (see below), whose sum is σ = 53554149324. Its totient is φ = 12284822528.

The previous prime is 26105248109. The next prime is 26105248181. The reversal of 26105248144 is 44184250162.

It can be written as a sum of positive squares in 2 ways, for example, as 18257414400 + 7847833744 = 135120^2 + 88588^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 47987317 + ... + 47987860.

Almost surely, 226105248144 is an apocalyptic number.

It is an amenable number.

26105248144 is an abundant number, since it is smaller than the sum of its proper divisors (27448901180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26105248144 is a wasteful number, since it uses less digits than its factorization.

26105248144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95975202 (or 95975196 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 26105248144 in words is "twenty-six billion, one hundred five million, two hundred forty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 95975177 191950354 383900708 767801416 1535602832 1631578009 3263156018 6526312036 13052624072 26105248144