Search a number
-
+
210022122120102 = 232196779809143413
BaseRepresentation
bin101111110000001110010101…
…111110111110001110100110
31000112121220210210112110011100
4233300032111332332032212
5210012000301230320402
62022402455252220530
762144411654622105
oct5760162576761646
91015556723473140
10210022122120102
1160a12977742656
121b67b83b90a746
1390260026562a6
1439c11a6c0203c
1519432561d471c
hexbf0395fbe3a6

210022122120102 has 192 divisors, whose sum is σ = 492912770688000. Its totient is φ = 64425700145664.

The previous prime is 210022122120089. The next prime is 210022122120127. The reversal of 210022122120102 is 201021221220012.

It is a happy number.

210022122120102 is a `hidden beast` number, since 2 + 100 + 221 + 221 + 20 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1464384948 + ... + 1464528360.

It is an arithmetic number, because the mean of its divisors is an integer number (2567254014000).

Almost surely, 2210022122120102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210022122120102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246456385344000).

210022122120102 is an abundant number, since it is smaller than the sum of its proper divisors (282890648567898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210022122120102 is a wasteful number, since it uses less digits than its factorization.

210022122120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144395 (or 144392 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210022122120102 its reverse (201021221220012), we get a palindrome (411043343340114).

The spelling of 210022122120102 in words is "two hundred ten trillion, twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred two".