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11968781713 = 75928980101
BaseRepresentation
bin10110010010110010…
…10001110110010001
31010220010101002220121
423021121101312101
5144003002003323
65255352310241
7602411652220
oct131131216621
933803332817
1011968781713
115092079939
1223a03a2381
131189854175
14817812cb7
154a0b55a5d
hex2c9651d91

11968781713 has 8 divisors (see below), whose sum is σ = 13910448960. Its totient is φ = 10085074800.

The previous prime is 11968781707. The next prime is 11968781731. The reversal of 11968781713 is 31718786911.

It is a happy number.

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 11968781713 - 229 = 11431910801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11968781743) 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, 14489638 + ... + 14490463.

It is an arithmetic number, because the mean of its divisors is an integer number (1738806120).

Almost surely, 211968781713 is an apocalyptic number.

It is an amenable number.

11968781713 is a deficient number, since it is larger than the sum of its proper divisors (1941667247).

11968781713 is an equidigital number, since it uses as much as digits as its factorization.

11968781713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28980167.

The product of its digits is 508032, while the sum is 52.

The spelling of 11968781713 in words is "eleven billion, nine hundred sixty-eight million, seven hundred eighty-one thousand, seven hundred thirteen".

Divisors: 1 7 59 413 28980101 202860707 1709825959 11968781713