Search a number
-
+
11312003121301 = 397247311521921
BaseRepresentation
bin1010010010011100011111…
…1011011000000010010101
31111001102020221120110000201
42210213013323120002111
52440313440244340201
640020355033140501
72245156661022511
oct244470773300225
944042227513021
1011312003121301
113671436949973
121328412b5a731
13640942c3b0ac
142b170a8a9141
151493b7a03801
hexa49c7ed8095

11312003121301 has 8 divisors (see below), whose sum is σ = 11345083541144. Its totient is φ = 11278945751040.

The previous prime is 11312003121271. The next prime is 11312003121319. The reversal of 11312003121301 is 10312130021311.

It can be written as a sum of positive squares in 4 ways, for example, as 1956669416100 + 9355333705201 = 1398810^2 + 3058649^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11312003121301 - 211 = 11312003119253 is a prime.

It is a super-2 number, since 2×113120031213012 (a number of 27 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 (11312003121101) 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, 4779180 + ... + 6742741.

It is an arithmetic number, because the mean of its divisors is an integer number (1418135442643).

Almost surely, 211312003121301 is an apocalyptic number.

It is an amenable number.

11312003121301 is a deficient number, since it is larger than the sum of its proper divisors (33080419843).

11312003121301 is a wasteful number, since it uses less digits than its factorization.

11312003121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11524791.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11312003121301 its reverse (10312130021311), we get a palindrome (21624133142612).

The spelling of 11312003121301 in words is "eleven trillion, three hundred twelve billion, three million, one hundred twenty-one thousand, three hundred one".

Divisors: 1 397 2473 981781 11521921 4574202637 28493710633 11312003121301