Search a number
-
+
11312300123 = 172196133773
BaseRepresentation
bin10101000100100010…
…00000000001011011
31002012101002101110122
422202101000001123
5141131422100443
65110301503455
7550220651555
oct124221000133
932171071418
1011312300123
114885553573
122238571b8b
1310b3840c17
147945664d5
154631cc968
hex2a244005b

11312300123 has 24 divisors (see below), whose sum is σ = 12857086320. Its totient is φ = 9920862720.

The previous prime is 11312300113. The next prime is 11312300137. The reversal of 11312300123 is 32100321311.

It is not a de Polignac number, because 11312300123 - 210 = 11312299099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312300113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318065 + ... + 351837.

It is an arithmetic number, because the mean of its divisors is an integer number (535711930).

Almost surely, 211312300123 is an apocalyptic number.

11312300123 is a deficient number, since it is larger than the sum of its proper divisors (1544786197).

11312300123 is a wasteful number, since it uses less digits than its factorization.

11312300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33887 (or 33870 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11312300123 its reverse (32100321311), we get a palindrome (43412621434).

The spelling of 11312300123 in words is "eleven billion, three hundred twelve million, three hundred thousand, one hundred twenty-three".

Divisors: 1 17 19 61 289 323 1037 1159 5491 17629 19703 33773 334951 574141 641687 2060153 9760397 10908679 35022601 39142907 185447543 595384217 665429419 11312300123