Search a number
-
+
212201101023 = 31311506135851
BaseRepresentation
bin1100010110100000101…
…0111101011011011111
3202021201122210211120220
43011220022331123133
511434041440213043
6241252302012423
721221353412052
oct3055012753337
9667648724526
10212201101023
1181aa2a97a6a
1235161877113
131701a035192
14a3b06caa99
1557be6ba483
hex31682bd6df

212201101023 has 16 divisors (see below), whose sum is σ = 285121491072. Its totient is φ = 140374260000.

The previous prime is 212201101001. The next prime is 212201101031. The reversal of 212201101023 is 320101102212.

It is not a de Polignac number, because 212201101023 - 29 = 212201100511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212201100993 and 212201101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201101033) 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, 5901048 + ... + 5936898.

It is an arithmetic number, because the mean of its divisors is an integer number (17820093192).

Almost surely, 2212201101023 is an apocalyptic number.

212201101023 is a deficient number, since it is larger than the sum of its proper divisors (72920390049).

212201101023 is a wasteful number, since it uses less digits than its factorization.

212201101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51046.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212201101023 its reverse (320101102212), we get a palindrome (532302203235).

The spelling of 212201101023 in words is "two hundred twelve billion, two hundred one million, one hundred one thousand, twenty-three".

Divisors: 1 3 131 393 15061 35851 45183 107553 1972991 4696481 5918973 14089443 539951911 1619855733 70733700341 212201101023