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386926942717 = 755275277531
BaseRepresentation
bin1011010000101101010…
…01001001100111111101
31100222201121022020210001
411220112221021213331
522314411244131332
6453430215114301
736645260514250
oct5502651114775
91328647266701
10386926942717
1113a105198a27
1262ba5072991
132a64409a3a3
1414a27c5b097
15a0e8d650e7
hex5a16a499fd

386926942717 has 4 divisors (see below), whose sum is σ = 442202220256. Its totient is φ = 331651665180.

The previous prime is 386926942697. The next prime is 386926942739. The reversal of 386926942717 is 717249629683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 717249629683 = 3396121119803.

It is a cyclic number.

It is not a de Polignac number, because 386926942717 - 211 = 386926940669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386926942777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27637638759 + ... + 27637638772.

It is an arithmetic number, because the mean of its divisors is an integer number (110550555064).

Almost surely, 2386926942717 is an apocalyptic number.

It is an amenable number.

386926942717 is a deficient number, since it is larger than the sum of its proper divisors (55275277539).

386926942717 is an equidigital number, since it uses as much as digits as its factorization.

386926942717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55275277538.

The product of its digits is 54867456, while the sum is 64.

The spelling of 386926942717 in words is "three hundred eighty-six billion, nine hundred twenty-six million, nine hundred forty-two thousand, seven hundred seventeen".

Divisors: 1 7 55275277531 386926942717