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1345105361 = 19472575861
BaseRepresentation
bin101000000101100…
…1010110111010001
310110202001102200002
41100023022313101
510223321332421
6341250135345
745222130655
oct12013126721
93422042602
101345105361
11630305626
12316581555
1318589b542
14ca902a65
157d14eb0b
hex502cadd1

1345105361 has 16 divisors (see below), whose sum is σ = 1451900160. Its totient is φ = 1242132480.

The previous prime is 1345105357. The next prime is 1345105367. The reversal of 1345105361 is 1635015431.

It is a cyclic number.

It is not a de Polignac number, because 1345105361 - 22 = 1345105357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345105367) 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, 226571 + ... + 232431.

It is an arithmetic number, because the mean of its divisors is an integer number (90743760).

Almost surely, 21345105361 is an apocalyptic number.

It is an amenable number.

1345105361 is a deficient number, since it is larger than the sum of its proper divisors (106794799).

1345105361 is a wasteful number, since it uses less digits than its factorization.

1345105361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1345105361 is about 36675.6780578083. The cubic root of 1345105361 is about 1103.8721280452.

The spelling of 1345105361 in words is "one billion, three hundred forty-five million, one hundred five thousand, three hundred sixty-one".

Divisors: 1 19 47 257 893 4883 5861 12079 111359 229501 275467 1506277 5233873 28619263 70795019 1345105361