Search a number
-
+
210222210010120 = 235721155211766087
BaseRepresentation
bin101111110011001000101100…
…001001101100110000001000
31000120100001021021012102002121
4233303020230021230300020
5210023240041230310440
62023034430002141024
762165024223623200
oct5763105411546010
91016301237172077
10210222210010120
1160a8a814083930
121b6b2580951774
13903bb3bc38b99
1439cab48841400
15194856721a34a
hexbf322c26cc08

210222210010120 has 192 divisors, whose sum is σ = 600353923340160. Its totient is φ = 65511900518400.

The previous prime is 210222210010091. The next prime is 210222210010171. The reversal of 210222210010120 is 21010012222012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210222210010094 and 210222210010103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118149717 + ... + 119915803.

It is an arithmetic number, because the mean of its divisors is an integer number (3126843350730).

Almost surely, 2210222210010120 is an apocalyptic number.

210222210010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210222210010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300176961670080).

210222210010120 is an abundant number, since it is smaller than the sum of its proper divisors (390131713330040).

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

210222210010120 is a wasteful number, since it uses less digits than its factorization.

210222210010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771644 (or 1771633 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210222210010120 its reverse (21010012222012), we get a palindrome (231232222232132).

The spelling of 210222210010120 in words is "two hundred ten trillion, two hundred twenty-two billion, two hundred ten million, ten thousand, one hundred twenty".