Search a number
-
+
202121001100201 = 17289729671138319
BaseRepresentation
bin101101111101001111110110…
…011110001110001110101001
3222111122120122002101200100011
4231331033312132032032221
5202443022302240201301
61553513034524011521
760400521554230501
oct5575176636161651
9874576562350304
10202121001100201
1159447042923697
121a8044a2390ba1
1388a1c0c2414a1
1437ca9cc772a01
15185796ed6ea51
hexb7d3f678e3a9

202121001100201 has 16 divisors (see below), whose sum is σ = 214093107970560. Its totient is φ = 190158081500160.

The previous prime is 202121001100177. The next prime is 202121001100229. The reversal of 202121001100201 is 102001100121202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202121001100201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202121001100261) 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, 1461197920 + ... + 1461336238.

It is an arithmetic number, because the mean of its divisors is an integer number (13380819248160).

Almost surely, 2202121001100201 is an apocalyptic number.

It is an amenable number.

202121001100201 is a deficient number, since it is larger than the sum of its proper divisors (11972106870359).

202121001100201 is a wasteful number, since it uses less digits than its factorization.

202121001100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170904.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202121001100201 its reverse (102001100121202), we get a palindrome (304122101221403).

The spelling of 202121001100201 in words is "two hundred two trillion, one hundred twenty-one billion, one million, one hundred thousand, two hundred one".

Divisors: 1 17 2897 29671 49249 138319 504407 2351423 85956887 400710143 1461267079 4104063049 6812072431 69769071833 11889470652953 202121001100201