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26012314045 = 55202462809
BaseRepresentation
bin11000001110011101…
…000110100110111101
32111010211202110121201
4120032131012212331
5411233123022140
615541102055501
71610416010164
oct301635064675
974124673551
1026012314045
1110039300603
12505b57a591
1325b7195603
14138a9bc3db
15a239d749a
hex60e7469bd

26012314045 has 4 divisors (see below), whose sum is σ = 31214776860. Its totient is φ = 20809851232.

The previous prime is 26012314007. The next prime is 26012314049. The reversal of 26012314045 is 54041321062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54041321062 = 227020660531.

It can be written as a sum of positive squares in 2 ways, for example, as 18300137284 + 7712176761 = 135278^2 + 87819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26012314045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26012314049) 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, 2601231400 + ... + 2601231409.

It is an arithmetic number, because the mean of its divisors is an integer number (7803694215).

Almost surely, 226012314045 is an apocalyptic number.

It is an amenable number.

26012314045 is a deficient number, since it is larger than the sum of its proper divisors (5202462815).

26012314045 is an equidigital number, since it uses as much as digits as its factorization.

26012314045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202462814.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 26012314045 in words is "twenty-six billion, twelve million, three hundred fourteen thousand, forty-five".

Divisors: 1 5 5202462809 26012314045