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17052243138 = 2327243972
BaseRepresentation
bin11111110000110010…
…01001010011000010
31122000101210201000200
433320121021103002
5234410333240023
611500024430030
71142366450400
oct177031112302
948011721020
1017052243138
117260601727
12337a918316
1317b9a857c8
14b7a9dc470
1569c096743
hex3f86494c2

17052243138 has 54 divisors (see below), whose sum is σ = 42988389561. Its totient is φ = 4870961424.

The previous prime is 17052243127. The next prime is 17052243149. The reversal of 17052243138 is 83134225071.

17052243138 is a `hidden beast` number, since 1 + 70 + 522 + 4 + 31 + 38 = 666.

It is an interprime number because it is at equal distance from previous prime (17052243127) and next prime (17052243149).

It can be written as a sum of positive squares in 2 ways, for example, as 17045130249 + 7112889 = 130557^2 + 2667^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=92337.

It is a super-3 number, since 3×170522431383 (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3875956 + ... + 3880352.

Almost surely, 217052243138 is an apocalyptic number.

17052243138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

17052243138 is an abundant number, since it is smaller than the sum of its proper divisors (25936146423).

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

17052243138 is an frugal number, since it uses more digits than its factorization.

17052243138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8816 (or 4409 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 17052243138 in words is "seventeen billion, fifty-two million, two hundred forty-three thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 4397 8794 13191 26382 30779 39573 61558 79146 92337 184674 215453 277011 430906 554022 646359 1292718 1939077 3878154 19333609 38667218 58000827 116001654 135335263 174002481 270670526 348004962 406005789 812011578 947346841 1218017367 1894693682 2436034734 2842040523 5684081046 8526121569 17052243138