Search a number
-
+
13340140123 = 67229869461
BaseRepresentation
bin11000110110010001…
…00110001001011011
31021102200211022222211
430123020212021123
5204310033440443
610043421255551
7651403214542
oct143310461133
937380738884
1013340140123
1157261857a2
1227037045b7
1313479b504b
149079cb159
1553123e19d
hex31b22625b

13340140123 has 8 divisors (see below), whose sum is σ = 13598385680. Its totient is φ = 13083634080.

The previous prime is 13340140019. The next prime is 13340140127. The reversal of 13340140123 is 32104104331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13340140123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13340140094 and 13340140103.

It is not an unprimeable number, because it can be changed into a prime (13340140127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419388 + ... + 450073.

It is an arithmetic number, because the mean of its divisors is an integer number (1699798210).

Almost surely, 213340140123 is an apocalyptic number.

13340140123 is a deficient number, since it is larger than the sum of its proper divisors (258245557).

13340140123 is an equidigital number, since it uses as much as digits as its factorization.

13340140123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869757.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13340140123 its reverse (32104104331), we get a palindrome (45444244454).

The spelling of 13340140123 in words is "thirteen billion, three hundred forty million, one hundred forty thousand, one hundred twenty-three".

Divisors: 1 67 229 15343 869461 58253887 199106569 13340140123