Search a number
-
+
123313313321 = 11171394744097
BaseRepresentation
bin111001011011000001…
…0111101011000101001
3102210021220202100220122
41302312002331120221
54010021202011241
6132352132133025
711623550604002
oct1626602753051
9383256670818
10123313313321
114832a1724a0
121ba95467175
13b82277b3b3
145d7b3ca1a9
15331acd804b
hex1cb60bd629

123313313321 has 16 divisors (see below), whose sum is σ = 143461523520. Its totient is φ = 104749639680.

The previous prime is 123313313281. The next prime is 123313313323.

123313313321 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123313313321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123313313323) 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 15 ways as a sum of consecutive naturals, for example, 2346056 + ... + 2398041.

It is an arithmetic number, because the mean of its divisors is an integer number (8966345220).

Almost surely, 2123313313321 is an apocalyptic number.

123313313321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123313313321 is a deficient number, since it is larger than the sum of its proper divisors (20148210199).

123313313321 is a wasteful number, since it uses less digits than its factorization.

123313313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744264.

The product of its digits is 2916, while the sum is 26.

It can be divided in two parts, 123313 and 313321, that added together give a palindrome (436634).

The spelling of 123313313321 in words is "one hundred twenty-three billion, three hundred thirteen million, three hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 11 17 139 187 1529 2363 25993 4744097 52185067 80649649 659429483 887146139 7253724313 11210301211 123313313321