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17140228807 = 131318479139
BaseRepresentation
bin11111111011010001…
…10010001011000111
31122020112100211200011
433331220302023013
5240100344310212
611512450331051
71144515353362
oct177550621307
948215324604
1017140228807
1172a6237659
1233a4289a87
131802080930
14b885830d9
156a4b764a7
hex3fda322c7

17140228807 has 4 divisors (see below), whose sum is σ = 18458707960. Its totient is φ = 15821749656.

The previous prime is 17140228789. The next prime is 17140228813. The reversal of 17140228807 is 70882204171.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-17140228807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17140228807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17140228877) 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, 659239557 + ... + 659239582.

It is an arithmetic number, because the mean of its divisors is an integer number (4614676990).

Almost surely, 217140228807 is an apocalyptic number.

17140228807 is a deficient number, since it is larger than the sum of its proper divisors (1318479153).

17140228807 is a wasteful number, since it uses less digits than its factorization.

17140228807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318479152.

The product of its (nonzero) digits is 50176, while the sum is 40.

The spelling of 17140228807 in words is "seventeen billion, one hundred forty million, two hundred twenty-eight thousand, eight hundred seven".

Divisors: 1 13 1318479139 17140228807