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26804127970 = 2517157671341
BaseRepresentation
bin11000111101101001…
…101000100011100010
32120012000200210010101
4120331221220203202
5414343324043340
620151425253014
71636142220454
oct307551504342
976160623111
1026804127970
1110405260084
12524079416a
1326b2240469
141423c162d4
15a6d293c9a
hex63da688e2

26804127970 has 16 divisors (see below), whose sum is σ = 51085514808. Its totient is φ = 10090965760.

The previous prime is 26804127949. The next prime is 26804127997. The reversal of 26804127970 is 7972140862.

It can be written as a sum of positive squares in 4 ways, for example, as 24391255329 + 2412872641 = 156177^2 + 49121^2 .

It is a super-2 number, since 2×268041279702 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26804127970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78835501 + ... + 78835840.

Almost surely, 226804127970 is an apocalyptic number.

26804127970 is a deficient number, since it is larger than the sum of its proper divisors (24281386838).

26804127970 is a wasteful number, since it uses less digits than its factorization.

26804127970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157671365.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 26804127970 in words is "twenty-six billion, eight hundred four million, one hundred twenty-seven thousand, nine hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 157671341 315342682 788356705 1576713410 2680412797 5360825594 13402063985 26804127970