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13042942743 = 35637722287
BaseRepresentation
bin11000010010110101…
…11000001100010111
31020122222121010211110
430021122320030113
5203202443131433
65554123310103
7641134120065
oct141132701427
936588533743
1013042942743
115593445a26
12264007b333
1312cb258acc
148ba347035
155150d5963
hex3096b8317

13042942743 has 8 divisors (see below), whose sum is σ = 17421481728. Its totient is φ = 8679849464.

The previous prime is 13042942723. The next prime is 13042942769. The reversal of 13042942743 is 34724924031.

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 13042942743 - 217 = 13042811671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042942723) 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, 3859455 + ... + 3862832.

It is an arithmetic number, because the mean of its divisors is an integer number (2177685216).

Almost surely, 213042942743 is an apocalyptic number.

13042942743 is a deficient number, since it is larger than the sum of its proper divisors (4378538985).

13042942743 is an equidigital number, since it uses as much as digits as its factorization.

13042942743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7722853.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 13042942743 in words is "thirteen billion, forty-two million, nine hundred forty-two thousand, seven hundred forty-three".

Divisors: 1 3 563 1689 7722287 23166861 4347647581 13042942743