Search a number
-
+
101212002223 = 307329680789
BaseRepresentation
bin101111001000010110…
…1001001011110101111
3100200020122020102201221
41132100231021132233
53124240233032343
6114255100244211
710212061552453
oct1362055113657
9320218212657
10101212002223
1139a1859a332
1217747840667
13970c946c17
144c81dd6663
1529758465ed
hex1790b497af

101212002223 has 4 divisors (see below), whose sum is σ = 101541683320. Its totient is φ = 100882321128.

The previous prime is 101212002197. The next prime is 101212002257. The reversal of 101212002223 is 322200212101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322200212101 = 1718952953653.

It is a cyclic number.

It is not a de Polignac number, because 101212002223 - 213 = 101211994031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101212002197 and 101212002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212002323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164840088 + ... + 164840701.

It is an arithmetic number, because the mean of its divisors is an integer number (25385420830).

Almost surely, 2101212002223 is an apocalyptic number.

101212002223 is a deficient number, since it is larger than the sum of its proper divisors (329681097).

101212002223 is an equidigital number, since it uses as much as digits as its factorization.

101212002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329681096.

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

Adding to 101212002223 its reverse (322200212101), we get a palindrome (423412214324).

The spelling of 101212002223 in words is "one hundred one billion, two hundred twelve million, two thousand, two hundred twenty-three".

Divisors: 1 307 329680789 101212002223