Search a number
-
+
123168669311 = 3179710934561
BaseRepresentation
bin111001010110101101…
…1001011111001111111
3102202220211120200122002
41302231123023321333
54004222134404221
6132325524012515
711620143262232
oct1625533137177
9382824520562
10123168669311
1148265559296
121ba54b3113b
13b7cb80631c
145d660d7419
15330d26580b
hex1cad6cbe7f

123168669311 has 16 divisors (see below), whose sum is σ = 127445783808. Its totient is φ = 118910937600.

The previous prime is 123168669307. The next prime is 123168669319. The reversal of 123168669311 is 113966861321.

It is a cyclic number.

It is not a de Polignac number, because 123168669311 - 22 = 123168669307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123168669319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27002471 + ... + 27007031.

It is an arithmetic number, because the mean of its divisors is an integer number (7965361488).

Almost surely, 2123168669311 is an apocalyptic number.

123168669311 is a deficient number, since it is larger than the sum of its proper divisors (4277114497).

123168669311 is a wasteful number, since it uses less digits than its factorization.

123168669311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482.

The product of its digits is 279936, while the sum is 47.

The spelling of 123168669311 in words is "one hundred twenty-three billion, one hundred sixty-eight million, six hundred sixty-nine thousand, three hundred eleven".

Divisors: 1 31 797 1093 4561 24707 33883 141391 871121 3635117 4985173 27004751 112688627 154540363 3973182881 123168669311