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13806143701 = 71972306243
BaseRepresentation
bin11001101101110100…
…10000100011010101
31022122011200202201121
430312322100203111
5211233333044301
610201545323541
7666062166550
oct146672204325
938564622647
1013806143701
115945232119
1228137965b1
1313c03c60cc
1494d853697
1555c0de3a1
hex336e908d5

13806143701 has 4 divisors (see below), whose sum is σ = 15778449952. Its totient is φ = 11833837452.

The previous prime is 13806143653. The next prime is 13806143707. The reversal of 13806143701 is 10734160831.

13806143701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10734160831 = 25142765581.

It is a cyclic number.

It is not a de Polignac number, because 13806143701 - 29 = 13806143189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13806143707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986153115 + ... + 986153128.

It is an arithmetic number, because the mean of its divisors is an integer number (3944612488).

Almost surely, 213806143701 is an apocalyptic number.

It is an amenable number.

13806143701 is a deficient number, since it is larger than the sum of its proper divisors (1972306251).

13806143701 is an equidigital number, since it uses as much as digits as its factorization.

13806143701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972306250.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 13806143701 in words is "thirteen billion, eight hundred six million, one hundred forty-three thousand, seven hundred one".

Divisors: 1 7 1972306243 13806143701