Search a number
-
+
13254157217 = 74481422551
BaseRepresentation
bin11000101100000001…
…00110001110100001
31021012201000221121202
430112000212032201
5204121031012332
610031110330545
7646310322530
oct142600461641
937181027552
1013254157217
115691698544
12269a959a55
131332c3b6a2
148da408317
15528907a62
hex3160263a1

13254157217 has 8 divisors (see below), whose sum is σ = 15151024512. Its totient is φ = 11358144000.

The previous prime is 13254157183. The next prime is 13254157243. The reversal of 13254157217 is 71275145231.

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

It is not a de Polignac number, because 13254157217 - 210 = 13254156193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13254177217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179909 + ... + 242642.

It is an arithmetic number, because the mean of its divisors is an integer number (1893878064).

Almost surely, 213254157217 is an apocalyptic number.

It is an amenable number.

13254157217 is a deficient number, since it is larger than the sum of its proper divisors (1896867295).

13254157217 is an equidigital number, since it uses as much as digits as its factorization.

13254157217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427039.

The product of its digits is 58800, while the sum is 38.

The spelling of 13254157217 in words is "thirteen billion, two hundred fifty-four million, one hundred fifty-seven thousand, two hundred seventeen".

Divisors: 1 7 4481 31367 422551 2957857 1893451031 13254157217