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13761272686 = 27982948049
BaseRepresentation
bin11001101000011110…
…00101101101101110
31022112001021002021011
430310033011231232
5211140341211221
610153303455434
7665005613350
oct146417055556
938461232234
1013761272686
115921974937
12280075757a
1313b4015405
149478d30d0
155581c91e1
hex3343c5b6e

13761272686 has 8 divisors (see below), whose sum is σ = 23590753200. Its totient is φ = 5897688288.

The previous prime is 13761272627. The next prime is 13761272699. The reversal of 13761272686 is 68627216731.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491474011 + ... + 491474038.

It is an arithmetic number, because the mean of its divisors is an integer number (2948844150).

Almost surely, 213761272686 is an apocalyptic number.

13761272686 is a deficient number, since it is larger than the sum of its proper divisors (9829480514).

13761272686 is an equidigital number, since it uses as much as digits as its factorization.

13761272686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982948058.

The product of its digits is 1016064, while the sum is 49.

The spelling of 13761272686 in words is "thirteen billion, seven hundred sixty-one million, two hundred seventy-two thousand, six hundred eighty-six".

Divisors: 1 2 7 14 982948049 1965896098 6880636343 13761272686