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34040365221 = 379397361789
BaseRepresentation
bin11111101100111101…
…101100000010100101
310020212022221201111110
4133230331230002211
51024203313141341
623345443055233
72313360221202
oct375475540245
9106768851443
1034040365221
1113488998245
126720071519
13329647a655
14190cca8ca9
15d436c4216
hex7ecf6c0a5

34040365221 has 16 divisors (see below), whose sum is σ = 46077574400. Its totient is φ = 22349815488.

The previous prime is 34040365199. The next prime is 34040365267. The reversal of 34040365221 is 12256304043.

It is not a de Polignac number, because 34040365221 - 211 = 34040363173 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 (34040366221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86806 + ... + 274983.

It is an arithmetic number, because the mean of its divisors is an integer number (2879848400).

Almost surely, 234040365221 is an apocalyptic number.

It is an amenable number.

34040365221 is a deficient number, since it is larger than the sum of its proper divisors (12037209179).

34040365221 is a wasteful number, since it uses less digits than its factorization.

34040365221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362268.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 34040365221 its reverse (12256304043), we get a palindrome (46296669264).

The spelling of 34040365221 in words is "thirty-four billion, forty million, three hundred sixty-five thousand, two hundred twenty-one".

Divisors: 1 3 79 237 397 1191 31363 94089 361789 1085367 28581331 85743993 143630233 430890699 11346788407 34040365221