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34502231221 = 172817222573
BaseRepresentation
bin100000001000011111…
…100100010010110101
310022001112000221112121
4200020133210102311
51031130032344341
623503342315541
72330666061253
oct401037442265
9108045027477
1034502231221
11136a5678a87
12682a888bb1
13333b070343
1419543755d3
15d6e0084d1
hex8087e44b5

34502231221 has 8 divisors (see below), whose sum is σ = 36661785624. Its totient is φ = 32357122560.

The previous prime is 34502231209. The next prime is 34502231227. The reversal of 34502231221 is 12213220543.

It can be written as a sum of positive squares in 4 ways, for example, as 20314800900 + 14187430321 = 142530^2 + 119111^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 34502231221 - 29 = 34502230709 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 (34502231227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3606510 + ... + 3616063.

It is an arithmetic number, because the mean of its divisors is an integer number (4582723203).

Almost surely, 234502231221 is an apocalyptic number.

It is an amenable number.

34502231221 is a deficient number, since it is larger than the sum of its proper divisors (2159554403).

34502231221 is a wasteful number, since it uses less digits than its factorization.

34502231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222871.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 34502231221 its reverse (12213220543), we get a palindrome (46715451764).

The spelling of 34502231221 in words is "thirty-four billion, five hundred two million, two hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 17 281 4777 7222573 122783741 2029543013 34502231221