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396879567713 = 1991994369687
BaseRepresentation
bin1011100011001111101…
…11011001101101100001
31101221102012220222121122
411301213313121231201
523000302132131323
6502153550302025
740450021443536
oct5614767315541
91357365828548
10396879567713
11143352195442
1264b021b7915
132b56c00b1c5
14152cd9aad8d
15a4cc9b5ec8
hex5c67dd9b61

396879567713 has 4 divisors (see below), whose sum is σ = 398873937600. Its totient is φ = 394885197828.

The previous prime is 396879567703. The next prime is 396879567739. The reversal of 396879567713 is 317765978693.

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.

It is a cyclic number.

It is not a de Polignac number, because 396879567713 - 214 = 396879551329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396879567703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997184645 + ... + 997185042.

It is an arithmetic number, because the mean of its divisors is an integer number (99718484400).

Almost surely, 2396879567713 is an apocalyptic number.

It is an amenable number.

396879567713 is a deficient number, since it is larger than the sum of its proper divisors (1994369887).

396879567713 is a wasteful number, since it uses less digits than its factorization.

396879567713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994369886.

The product of its digits is 360067680, while the sum is 71.

The spelling of 396879567713 in words is "three hundred ninety-six billion, eight hundred seventy-nine million, five hundred sixty-seven thousand, seven hundred thirteen".

Divisors: 1 199 1994369687 396879567713