Search a number
-
+
215002212000000 = 2835621618291
BaseRepresentation
bin110000111000101100011010…
…011110001110000100000000
31001012021000021211020200100220
4300320230122132032010000
5211140044012233000000
62041134352545543040
763200253146302665
oct6070543236160400
91035230254220326
10215002212000000
1162562a2063a1a7
1220144a51944a80
1392c7810851ca9
143b1423c1bba6c
1519cca7a9e11a0
hexc38b1a78e100

215002212000000 has 504 divisors, whose sum is σ = 715682428522656. Its totient is φ = 57300480000000.

The previous prime is 215002211999999. The next prime is 215002212000031. The reversal of 215002212000000 is 212200512.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 55 ways as a sum of consecutive naturals, for example, 25931995855 + ... + 25932004145.

Almost surely, 2215002212000000 is an apocalyptic number.

215002212000000 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 215002212000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357841214261328).

215002212000000 is an abundant number, since it is smaller than the sum of its proper divisors (500680216522656).

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

215002212000000 is an frugal number, since it uses more digits than its factorization.

215002212000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501 (or 10462 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 215002212000000 its reverse (212200512), we get a palindrome (215002424200512).

The spelling of 215002212000000 in words is "two hundred fifteen trillion, two billion, two hundred twelve million", and thus it is an aban number.