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215420323130002 = 2212243507485107
BaseRepresentation
bin110000111110110001110011…
…110101100110101010010010
31001020201222111201002210002101
4300332301303311212222102
5211213421310210130002
62042054421422311014
763242414266255204
oct6076616365465222
91036658451083071
10215420323130002
1162704278457631
12201b1a9a42846a
1393280844303b3
143b2a583858774
1519d889c3e5587
hexc3ec73d66a92

215420323130002 has 8 divisors (see below), whose sum is σ = 323132007787056. Its totient is φ = 107709653867652.

The previous prime is 215420323129937. The next prime is 215420323130029. The reversal of 215420323130002 is 200031323024512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253318068 + ... + 254167039.

It is an arithmetic number, because the mean of its divisors is an integer number (40391500973382).

Almost surely, 2215420323130002 is an apocalyptic number.

215420323130002 is a deficient number, since it is larger than the sum of its proper divisors (107711684657054).

215420323130002 is a wasteful number, since it uses less digits than its factorization.

215420323130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507697352.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 215420323130002 its reverse (200031323024512), we get a palindrome (415451646154514).

The spelling of 215420323130002 in words is "two hundred fifteen trillion, four hundred twenty billion, three hundred twenty-three million, one hundred thirty thousand, two".

Divisors: 1 2 212243 424486 507485107 1014970214 107710161565001 215420323130002