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26968173143 is a prime number
BaseRepresentation
bin11001000111011011…
…011010101001010111
32120121110101010210112
4121013123122221113
5420212323020033
620220005313235
71643203455332
oct310733325127
976543333715
1026968173143
11104899156aa
12528770581b
13270a219202
14143b919619
15a7c899c48
hex6476daa57

26968173143 has 2 divisors, whose sum is σ = 26968173144. Its totient is φ = 26968173142.

The previous prime is 26968173137. The next prime is 26968173157. The reversal of 26968173143 is 34137186962.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26968173143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26968173091 and 26968173100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26968173943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13484086571 + 13484086572.

It is an arithmetic number, because the mean of its divisors is an integer number (13484086572).

Almost surely, 226968173143 is an apocalyptic number.

26968173143 is a deficient number, since it is larger than the sum of its proper divisors (1).

26968173143 is an equidigital number, since it uses as much as digits as its factorization.

26968173143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The spelling of 26968173143 in words is "twenty-six billion, nine hundred sixty-eight million, one hundred seventy-three thousand, one hundred forty-three".