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215422304341 = 1237174148993
BaseRepresentation
bin1100100010100000101…
…0111000000001010101
3202121001011001220211111
43020220022320001111
512012141102214331
6242544051335021
721364236242266
oct3105012700125
9677034056744
10215422304341
11833a6302772
12359005b1471
13174114b8a4a
14a5d843496d
15590c3a5db1
hex32282b8055

215422304341 has 4 divisors (see below), whose sum is σ = 215596454572. Its totient is φ = 215248154112.

The previous prime is 215422304299. The next prime is 215422304387. The reversal of 215422304341 is 143403224512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166691741841 + 48730562500 = 408279^2 + 220750^2 .

It is a cyclic number.

It is not a de Polignac number, because 215422304341 - 27 = 215422304213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215422307341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87073260 + ... + 87075733.

It is an arithmetic number, because the mean of its divisors is an integer number (53899113643).

Almost surely, 2215422304341 is an apocalyptic number.

It is an amenable number.

215422304341 is a deficient number, since it is larger than the sum of its proper divisors (174150231).

215422304341 is a wasteful number, since it uses less digits than its factorization.

215422304341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174150230.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 215422304341 its reverse (143403224512), we get a palindrome (358825528853).

The spelling of 215422304341 in words is "two hundred fifteen billion, four hundred twenty-two million, three hundred four thousand, three hundred forty-one".

Divisors: 1 1237 174148993 215422304341