Search a number
-
+
13918707151 = 29479955419
BaseRepresentation
bin11001111011001111…
…01001110111001111
31022221000111120202021
430331213221313033
5212001142112101
610221050111011
71001630026066
oct147547516717
938830446667
1013918707151
1159a2824768
12284541b467
13140a8181bb
149607951dd
15566e265a1
hex33d9e9dcf

13918707151 has 4 divisors (see below), whose sum is σ = 14398662600. Its totient is φ = 13438751704.

The previous prime is 13918707139. The next prime is 13918707181. The reversal of 13918707151 is 15170781931.

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 13918707151 - 25 = 13918707119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13918707098 and 13918707107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13918707181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239977681 + ... + 239977738.

It is an arithmetic number, because the mean of its divisors is an integer number (3599665650).

Almost surely, 213918707151 is an apocalyptic number.

13918707151 is a deficient number, since it is larger than the sum of its proper divisors (479955449).

13918707151 is an equidigital number, since it uses as much as digits as its factorization.

13918707151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479955448.

The product of its (nonzero) digits is 52920, while the sum is 43.

The spelling of 13918707151 in words is "thirteen billion, nine hundred eighteen million, seven hundred seven thousand, one hundred fifty-one".

Divisors: 1 29 479955419 13918707151