Search a number
-
+
13721350799 = 131471771719
BaseRepresentation
bin11001100011101101…
…10011001010001111
31022102021010211201202
430301312303022033
5211100131211144
610145320100115
7664012362122
oct146166631217
938367124652
1013721350799
115901387a42
1227ab30463b
1313a89782b0
149424a03b9
1555494064e
hex331db328f

13721350799 has 8 divisors (see below), whose sum is σ = 14778049440. Its totient is φ = 12664825056.

The previous prime is 13721350781. The next prime is 13721350807. The reversal of 13721350799 is 99705312731.

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

It is not a de Polignac number, because 13721350799 - 28 = 13721350543 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 (13721350739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 155462 + ... + 227180.

It is an arithmetic number, because the mean of its divisors is an integer number (1847256180).

Almost surely, 213721350799 is an apocalyptic number.

13721350799 is a deficient number, since it is larger than the sum of its proper divisors (1056698641).

13721350799 is a wasteful number, since it uses less digits than its factorization.

13721350799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86449.

The product of its (nonzero) digits is 357210, while the sum is 47.

The spelling of 13721350799 in words is "thirteen billion, seven hundred twenty-one million, three hundred fifty thousand, seven hundred ninety-nine".

Divisors: 1 13 14717 71719 191321 932347 1055488523 13721350799