Search a number
-
+
13380452705 = 54165270501
BaseRepresentation
bin11000111011000100…
…11000000101100001
31021112111200102110102
430131202120011201
5204400343441310
610051421312145
7652402654124
oct143542300541
937474612412
1013380452705
115746a0a184
122715105655
13135315ac49
1490d0c23bb
15534a538a5
hex31d898161

13380452705 has 8 divisors (see below), whose sum is σ = 16448166504. Its totient is φ = 10443280000.

The previous prime is 13380452689. The next prime is 13380452719. The reversal of 13380452705 is 50725408331.

It can be written as a sum of positive squares in 4 ways, for example, as 1364785249 + 12015667456 = 36943^2 + 109616^2 .

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

It is not a de Polignac number, because 13380452705 - 24 = 13380452689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32635046 + ... + 32635455.

It is an arithmetic number, because the mean of its divisors is an integer number (2056020813).

Almost surely, 213380452705 is an apocalyptic number.

It is an amenable number.

13380452705 is a deficient number, since it is larger than the sum of its proper divisors (3067713799).

13380452705 is an equidigital number, since it uses as much as digits as its factorization.

13380452705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65270547.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 13380452705 in words is "thirteen billion, three hundred eighty million, four hundred fifty-two thousand, seven hundred five".

Divisors: 1 5 41 205 65270501 326352505 2676090541 13380452705