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26000316994 = 213000158497
BaseRepresentation
bin11000001101101111…
…010101101001000010
32111010000011221202111
4120031233111221002
5411222040120434
615535553005534
71610212022311
oct301557255102
974100157674
1026000316994
1110032556a93
1250575538aa
1325b4854a72
141389178278
15a22917964
hex60dbd5a42

26000316994 has 4 divisors (see below), whose sum is σ = 39000475494. Its totient is φ = 13000158496.

The previous prime is 26000316899. The next prime is 26000317009. The reversal of 26000316994 is 49961300062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16367875969 + 9632441025 = 127937^2 + 98145^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 6500079247 + ... + 6500079250.

Almost surely, 226000316994 is an apocalyptic number.

26000316994 is a deficient number, since it is larger than the sum of its proper divisors (13000158500).

26000316994 is a wasteful number, since it uses less digits than its factorization.

26000316994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13000158499.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 26000316994 in words is "twenty-six billion, three hundred sixteen thousand, nine hundred ninety-four".

Divisors: 1 2 13000158497 26000316994