Search a number
-
+
21000011110201 = 241824310571027
BaseRepresentation
bin1001100011001011100100…
…01100111101011100111001
32202100120200212210101110201
410301211302030331130321
510223031010321011301
6112355134422442201
74265125565143114
oct461456214753471
982316625711421
1021000011110201
116767066891212
122431b39293361
13b943a596c556
14528597d5757b
152663d2594201
hex13197233d739

21000011110201 has 8 divisors (see below), whose sum is σ = 21089708269344. Its totient is φ = 20910335110080.

The previous prime is 21000011110163. The next prime is 21000011110219. The reversal of 21000011110201 is 10201111000012.

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 21000011110201 - 219 = 21000010585913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21000011110231) 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, 3298951 + ... + 7272076.

It is an arithmetic number, because the mean of its divisors is an integer number (2636213533668).

Almost surely, 221000011110201 is an apocalyptic number.

It is an amenable number.

21000011110201 is a deficient number, since it is larger than the sum of its proper divisors (89697159143).

21000011110201 is a wasteful number, since it uses less digits than its factorization.

21000011110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579511.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 21000011110201 its reverse (10201111000012), we get a palindrome (31201122110213).

The spelling of 21000011110201 in words is "twenty-one trillion, eleven million, one hundred ten thousand, two hundred one".

Divisors: 1 241 8243 1986563 10571027 2547617507 87136975561 21000011110201