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17142447664470 = 235765977460017
BaseRepresentation
bin1111100101110100100110…
…0000001110110101010110
32020200210122122121100101110
43321131021200032311112
54221330213100230340
6100243044242235450
73416333555650032
oct371351140166526
966623578540343
1017142447664470
11550a086892aa7
121b0a3a3055b86
139746ab47cabb
144339ada9d1c2
151eadab1a2680
hexf974980ed56

17142447664470 has 32 divisors (see below), whose sum is σ = 41142417031008. Its totient is φ = 4571259084288.

The previous prime is 17142447664411. The next prime is 17142447664519. The reversal of 17142447664470 is 7446674424171.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 17142447664470.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432099 + ... + 6027918.

It is an arithmetic number, because the mean of its divisors is an integer number (1285700532219).

Almost surely, 217142447664470 is an apocalyptic number.

17142447664470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17142447664470 is an abundant number, since it is smaller than the sum of its proper divisors (23999969366538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17142447664470 is a wasteful number, since it uses less digits than its factorization.

17142447664470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536624.

The product of its (nonzero) digits is 25288704, while the sum is 57.

The spelling of 17142447664470 in words is "seventeen trillion, one hundred forty-two billion, four hundred forty-seven million, six hundred sixty-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 76597 153194 229791 382985 459582 765970 1148955 2297910 7460017 14920034 22380051 37300085 44760102 74600170 111900255 223800510 571414922149 1142829844298 1714244766447 2857074610745 3428489532894 5714149221490 8571223832235 17142447664470