Search a number
-
+
212251035000000 = 2635717978581
BaseRepresentation
bin110000010000101010001011…
…100010110101110011000000
31000211112000000120100110120110
4300100222023202311303000
5210310010104430000000
62031230440202511320
762464426340532513
oct6020521342656300
91024460016313513
10212251035000000
11616a21819801a7
121b97b80a205540
1391582572b0589
143a5b00d672d7a
15198120aac0850
hexc10a8b8b5cc0

212251035000000 has 896 divisors, whose sum is σ = 751016943016704. Its totient is φ = 52715520000000.

The previous prime is 212251034999989. The next prime is 212251035000029. The reversal of 212251035000000 is 530152212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24734995710 + ... + 24735004290.

It is an arithmetic number, because the mean of its divisors is an integer number (838188552474).

Almost surely, 2212251035000000 is an apocalyptic number.

212251035000000 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 212251035000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375508471508352).

212251035000000 is an abundant number, since it is smaller than the sum of its proper divisors (538765908016704).

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

212251035000000 is an frugal number, since it uses more digits than its factorization.

212251035000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8745 (or 8705 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 212251035000000 its reverse (530152212), we get a palindrome (212251565152212).

The spelling of 212251035000000 in words is "two hundred twelve trillion, two hundred fifty-one billion, thirty-five million", and thus it is an aban number.