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9139043345 = 517107518157
BaseRepresentation
bin10001000001011101…
…01011110000010001
3212120220201111121212
420200232223300101
5122204043341340
64110505225505
7442321405145
oct104056536021
925526644555
109139043345
11396a82a593
121930792295
13b28514073
14629a8b225
153874e4a65
hex220babc11

9139043345 has 8 divisors (see below), whose sum is σ = 11611961064. Its totient is φ = 6881161984.

The previous prime is 9139043341. The next prime is 9139043423. The reversal of 9139043345 is 5433409319.

It can be written as a sum of positive squares in 4 ways, for example, as 114233344 + 9024810001 = 10688^2 + 94999^2 .

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 9139043345 - 22 = 9139043341 is a prime.

It is a super-2 number, since 2×91390433452 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9139043341) 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, 53758994 + ... + 53759163.

It is an arithmetic number, because the mean of its divisors is an integer number (1451495133).

Almost surely, 29139043345 is an apocalyptic number.

It is an amenable number.

9139043345 is a deficient number, since it is larger than the sum of its proper divisors (2472917719).

9139043345 is a wasteful number, since it uses less digits than its factorization.

9139043345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107518179.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 9139043345 is about 95598.3438402570. The cubic root of 9139043345 is about 2090.7410469402.

The spelling of 9139043345 in words is "nine billion, one hundred thirty-nine million, forty-three thousand, three hundred forty-five".

Divisors: 1 5 17 85 107518157 537590785 1827808669 9139043345