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14861975897 = 411073387731
BaseRepresentation
bin11011101011101011…
…11100000101011001
31102100202102121012202
431311311330011121
5220414131212042
610454423415545
71034202465536
oct156565740531
942322377182
1014861975897
11633721a50a
122a692b45b5
13152b0811a2
14a0db75d8d
155beb4d632
hex375d7c159

14861975897 has 8 divisors (see below), whose sum is σ = 15366752352. Its totient is φ = 14363975200.

The previous prime is 14861975893. The next prime is 14861975911. The reversal of 14861975897 is 79857916841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14861975897 - 22 = 14861975893 is a prime.

It is a super-3 number, since 3×148619758973 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14861975893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1689479 + ... + 1698252.

It is an arithmetic number, because the mean of its divisors is an integer number (1920844044).

Almost surely, 214861975897 is an apocalyptic number.

It is an amenable number.

14861975897 is a deficient number, since it is larger than the sum of its proper divisors (504776455).

14861975897 is a wasteful number, since it uses less digits than its factorization.

14861975897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387879.

The product of its digits is 30481920, while the sum is 65.

The spelling of 14861975897 in words is "fourteen billion, eight hundred sixty-one million, nine hundred seventy-five thousand, eight hundred ninety-seven".

Divisors: 1 41 107 4387 3387731 138896971 362487217 14861975897