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201302132232121 = 1991011568503679
BaseRepresentation
bin101101110001010101001110…
…000101011000111110111001
3222101202021222201011010101121
4231301111032011120332321
5202341113231322411441
61552044531202145241
760254412331546324
oct5561251605307671
9871667881133347
10201302132232121
1159160833789048
121a6b1850952221
13884292c04b11b
14379d10a4497bb
1518414e5296dd1
hexb7154e158fb9

201302132232121 has 4 divisors (see below), whose sum is σ = 202313700736000. Its totient is φ = 200290563728244.

The previous prime is 201302132232109. The next prime is 201302132232217. The reversal of 201302132232121 is 121232231203102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201302132232121 - 239 = 200752376418233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201302132233121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505784251641 + ... + 505784252038.

It is an arithmetic number, because the mean of its divisors is an integer number (50578425184000).

Almost surely, 2201302132232121 is an apocalyptic number.

It is an amenable number.

201302132232121 is a deficient number, since it is larger than the sum of its proper divisors (1011568503879).

201302132232121 is a wasteful number, since it uses less digits than its factorization.

201302132232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011568503878.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 201302132232121 its reverse (121232231203102), we get a palindrome (322534363435223).

The spelling of 201302132232121 in words is "two hundred one trillion, three hundred two billion, one hundred thirty-two million, two hundred thirty-two thousand, one hundred twenty-one".

Divisors: 1 199 1011568503679 201302132232121