Search a number
-
+
204231020101 = 29431371195459
BaseRepresentation
bin1011111000110100011…
…1100000111001000101
3201112011012200202221121
42332031013200321011
511321231120120401
6233453351313541
720520015012403
oct2761507407105
9645135622847
10204231020101
11796830a5229
12336b867b8b1
1316349a69274
149c55db0473
1554a4b2eca1
hex2f8d1e0e45

204231020101 has 16 divisors (see below), whose sum is σ = 217764993600. Its totient is φ = 191196770688.

The previous prime is 204231020099. The next prime is 204231020129. The reversal of 204231020101 is 101020132402.

204231020101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 204231020101 - 21 = 204231020099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204231020401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426891 + ... + 768568.

It is an arithmetic number, because the mean of its divisors is an integer number (13610312100).

Almost surely, 2204231020101 is an apocalyptic number.

It is an amenable number.

204231020101 is a deficient number, since it is larger than the sum of its proper divisors (13533973499).

204231020101 is a wasteful number, since it uses less digits than its factorization.

204231020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195668.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 204231020101 its reverse (101020132402), we get a palindrome (305251152503).

The spelling of 204231020101 in words is "two hundred four billion, two hundred thirty-one million, twenty thousand, one hundred one".

Divisors: 1 29 43 137 1247 3973 5891 170839 1195459 34668311 51404737 163777883 1490737373 4749558607 7042448969 204231020101