Search a number
-
+
201021132312001 = 4312441191071831
BaseRepresentation
bin101101101101001111100001…
…001011110000110111000001
3222100202102200100020011100201
4231231033201023300313001
5202322012234332441001
61551311455554445201
760225204024621601
oct5555174113606701
9870672610204321
10201021132312001
1159062646642001
121a6672aa593801
1388222996b7441
14378d6908a2c01
15183904ab8b501
hexb6d3e12f0dc1

201021132312001 has 8 divisors (see below), whose sum is σ = 201570082737408. Its totient is φ = 200472564036000.

The previous prime is 201021132311983. The next prime is 201021132312029. The reversal of 201021132312001 is 100213231120102.

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 201021132312001 - 25 = 201021132311969 is a prime.

It is a super-3 number, since 3×2010211323120013 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201021132312001.

It is not an unprimeable number, because it can be changed into a prime (201021132312101) 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, 94483845 + ... + 96587986.

It is an arithmetic number, because the mean of its divisors is an integer number (25196260342176).

Almost surely, 2201021132312001 is an apocalyptic number.

It is an amenable number.

201021132312001 is a deficient number, since it is larger than the sum of its proper divisors (548950425407).

201021132312001 is a wasteful number, since it uses less digits than its factorization.

201021132312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191074703.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201021132312001 its reverse (100213231120102), we get a palindrome (301234363432103).

The spelling of 201021132312001 in words is "two hundred one trillion, twenty-one billion, one hundred thirty-two million, three hundred twelve thousand, one".

Divisors: 1 431 2441 1052071 191071831 82351959161 466406339471 201021132312001