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215103019264 = 28724121012
BaseRepresentation
bin1100100001010100100…
…0111001100100000000
3202120012220021120001021
43020111020321210000
512011012333104024
6242452244115224
721353311332100
oct3102510714400
9676186246037
10215103019264
1183252057101
1235831695b14
13173902c8073
14a5a7c81200
1558de337de4
hex3215239900

215103019264 has 243 divisors, whose sum is σ = 517064513763. Its totient is φ = 89048064000.

The previous prime is 215103019213. The next prime is 215103019283. The reversal of 215103019264 is 462910301512.

The square root of 215103019264 is 463792.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 103876864 + 214999142400 = 10192^2 + 463680^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2129732814 + ... + 2129732914.

Almost surely, 2215103019264 is an apocalyptic number.

215103019264 is the 463792-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215103019264

215103019264 is an abundant number, since it is smaller than the sum of its proper divisors (301961494499).

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

215103019264 is an frugal number, since it uses more digits than its factorization.

215103019264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 215103019264 in words is "two hundred fifteen billion, one hundred three million, nineteen thousand, two hundred sixty-four".