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169399893214901 = 1791216317780649
BaseRepresentation
bin100110100001000101111100…
…011101011100011010110101
3211012210110201211010222222102
4212201011330131130122311
5134200421440130334101
61400141123035111445
750452511162245406
oct4641057435343265
9735713654128872
10169399893214901
1149a81100523558
1216bbaa015a2585
13736a4590444ab
142db8dda1579ad
15148b72eda286b
hex9a117c75c6b5

169399893214901 has 8 divisors (see below), whose sum is σ = 170347683744000. Its totient is φ = 168452118490720.

The previous prime is 169399893214891. The next prime is 169399893214907. The reversal of 169399893214901 is 109412398993961.

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 169399893214901 - 218 = 169399892952757 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 (169399893214907) 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, 17881625 + ... + 25662273.

It is an arithmetic number, because the mean of its divisors is an integer number (21293460468000).

Almost surely, 2169399893214901 is an apocalyptic number.

It is an amenable number.

169399893214901 is a deficient number, since it is larger than the sum of its proper divisors (947790529099).

169399893214901 is a wasteful number, since it uses less digits than its factorization.

169399893214901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902459.

The product of its (nonzero) digits is 204073344, while the sum is 74.

The spelling of 169399893214901 in words is "one hundred sixty-nine trillion, three hundred ninety-nine billion, eight hundred ninety-three million, two hundred fourteen thousand, nine hundred one".

Divisors: 1 179 121631 7780649 21771949 1392736171 946368118519 169399893214901