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17200042841 = 1571815771049
BaseRepresentation
bin10000000001001100…
…111101001101011001
31122101200220201002202
4100001030331031121
5240211202332331
611522424335545
71146142644332
oct200114751531
948350821082
1017200042841
117326a80843
1234003145b5
131811594057
14b924b3289
156aa03decb
hex40133d359

17200042841 has 16 divisors (see below), whose sum is σ = 17452016400. Its totient is φ = 16950435840.

The previous prime is 17200042831. The next prime is 17200042861. The reversal of 17200042841 is 14824000271.

It can be written as a sum of positive squares in 8 ways, for example, as 344473600 + 16855569241 = 18560^2 + 129829^2 .

It is a cyclic number.

It is not a de Polignac number, because 17200042841 - 214 = 17200026457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17200042831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16396085 + ... + 16397133.

It is an arithmetic number, because the mean of its divisors is an integer number (1090751025).

Almost surely, 217200042841 is an apocalyptic number.

It is an amenable number.

17200042841 is a deficient number, since it is larger than the sum of its proper divisors (251973559).

17200042841 is a wasteful number, since it uses less digits than its factorization.

17200042841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 17200042841 in words is "seventeen billion, two hundred million, forty-two thousand, eight hundred forty-one".

Divisors: 1 157 181 577 1049 28417 90589 104437 164693 189869 605273 16396609 29809433 95027861 109554413 17200042841