Search a number
-
+
13882646047 = 96487143881
BaseRepresentation
bin11001110110111100…
…00101111000011111
31022211111122111012211
430323132011320133
5211412424133142
610213321141251
71001011354504
oct147336057037
938744574184
1013882646047
1159844344a6
12283532a827
13140320047a
14959a894ab
15563ba1917
hex33b785e1f

13882646047 has 4 divisors (see below), whose sum is σ = 13882886416. Its totient is φ = 13882405680.

The previous prime is 13882646033. The next prime is 13882646051. The reversal of 13882646047 is 74064628831.

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 13882646047 - 27 = 13882645919 is a prime.

It is a super-2 number, since 2×138826460472 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13882646027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24547 + ... + 168427.

It is an arithmetic number, because the mean of its divisors is an integer number (3470721604).

Almost surely, 213882646047 is an apocalyptic number.

13882646047 is a deficient number, since it is larger than the sum of its proper divisors (240369).

13882646047 is an equidigital number, since it uses as much as digits as its factorization.

13882646047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240368.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 13882646047 in words is "thirteen billion, eight hundred eighty-two million, six hundred forty-six thousand, forty-seven".

Divisors: 1 96487 143881 13882646047