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13120117773 = 37624767513
BaseRepresentation
bin11000011100000010…
…10001110000001101
31020212100211001001220
430032001101300031
5203332222232043
610005521353553
7643062106140
oct141601216015
936770731056
1013120117773
115622a67744
122661a988b9
13131123a3c9
148c66b6057
1551bc7c483
hex30e051c0d

13120117773 has 8 divisors (see below), whose sum is σ = 19992560448. Its totient is φ = 7497210144.

The previous prime is 13120117741. The next prime is 13120117789. The reversal of 13120117773 is 37771102131.

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

It is not a de Polignac number, because 13120117773 - 25 = 13120117741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120117573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312383736 + ... + 312383777.

It is an arithmetic number, because the mean of its divisors is an integer number (2499070056).

Almost surely, 213120117773 is an apocalyptic number.

It is an amenable number.

13120117773 is a deficient number, since it is larger than the sum of its proper divisors (6872442675).

13120117773 is an equidigital number, since it uses as much as digits as its factorization.

13120117773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624767523.

The product of its (nonzero) digits is 6174, while the sum is 33.

The spelling of 13120117773 in words is "thirteen billion, one hundred twenty million, one hundred seventeen thousand, seven hundred seventy-three".

Divisors: 1 3 7 21 624767513 1874302539 4373372591 13120117773