Search a number
-
+
210506408120160 = 25335347349402371
BaseRepresentation
bin101111110111010001010111…
…101011011100111101100000
31000121100012211112002020221000
4233313101113223130331200
5210042414110434321120
62023413150414032000
762224405013661525
oct5767212753347540
91017305745066830
10210506408120160
116108a2a2547339
121b7396761a8600
13905c891056539
1439da7c906114c
151950b4c4b7990
hexbf7457adcf60

210506408120160 has 384 divisors, whose sum is σ = 741014713152000. Its totient is φ = 55812749137920.

The previous prime is 210506408120159. The next prime is 210506408120167. The reversal of 210506408120160 is 61021804605012.

It is a happy number.

210506408120160 is a `hidden beast` number, since 2 + 1 + 0 + 5 + 0 + 640 + 8 + 1 + 2 + 0 + 1 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210506408120167) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 522963775 + ... + 523366145.

It is an arithmetic number, because the mean of its divisors is an integer number (1929725815500).

Almost surely, 2210506408120160 is an apocalyptic number.

210506408120160 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 210506408120160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370507356576000).

210506408120160 is an abundant number, since it is smaller than the sum of its proper divisors (530508305031840).

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

210506408120160 is a wasteful number, since it uses less digits than its factorization.

210506408120160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403091 (or 403077 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 210506408120160 in words is "two hundred ten trillion, five hundred six billion, four hundred eight million, one hundred twenty thousand, one hundred sixty".