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13400630843 = 121311047511
BaseRepresentation
bin11000111101011110…
…10110011000111011
31021120220122120122212
430132233112120323
5204421030141333
610053422005335
7653036324405
oct143657263073
937526576585
1013400630843
115757341326
12271ba1684b
1313573a4482
14911a55b75
155366dc448
hex31ebd663b

13400630843 has 4 divisors (see below), whose sum is σ = 13411679568. Its totient is φ = 13389582120.

The previous prime is 13400630797. The next prime is 13400630869. The reversal of 13400630843 is 34803600431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13400630843 - 212 = 13400626747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13400630543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5522543 + ... + 5524968.

It is an arithmetic number, because the mean of its divisors is an integer number (3352919892).

Almost surely, 213400630843 is an apocalyptic number.

13400630843 is a deficient number, since it is larger than the sum of its proper divisors (11048725).

13400630843 is a wasteful number, since it uses less digits than its factorization.

13400630843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11048724.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 13400630843 in words is "thirteen billion, four hundred million, six hundred thirty thousand, eight hundred forty-three".

Divisors: 1 1213 11047511 13400630843