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17130474287705 = 545495701132109
BaseRepresentation
bin1111100101000111111111…
…0101011011001001011001
32020122122202012120210020202
43321101333311123021121
54221131202404201310
6100233344203231545
73415431056636042
oct371217765331131
966578665523222
1017130474287705
115504aa21658a9
121b080012185b5
139735209aa28c
144331958118c9
151ea909e403a5
hexf947fd5b259

17130474287705 has 16 divisors (see below), whose sum is σ = 20564850306000. Its totient is φ = 13698859795200.

The previous prime is 17130474287621. The next prime is 17130474287711. The reversal of 17130474287705 is 50778247403171.

It can be written as a sum of positive squares in 8 ways, for example, as 2857462302409 + 14273011985296 = 1690403^2 + 3777964^2 .

It is a de Polignac number, because none of the positive numbers 2k-17130474287705 is a prime.

It is a super-2 number, since 2×171304742877052 (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129603191 + ... + 129735299.

It is an arithmetic number, because the mean of its divisors is an integer number (1285303144125).

Almost surely, 217130474287705 is an apocalyptic number.

It is an amenable number.

17130474287705 is a deficient number, since it is larger than the sum of its proper divisors (3434376018295).

17130474287705 is a wasteful number, since it uses less digits than its factorization.

17130474287705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142364.

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 17130474287705 in words is "seventeen trillion, one hundred thirty billion, four hundred seventy-four million, two hundred eighty-seven thousand, seven hundred five".

Divisors: 1 5 4549 5701 22745 28505 132109 660545 25933849 129669245 600963841 753153409 3004819205 3765767045 3426094857541 17130474287705