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27593956470025 = 5211214926412
BaseRepresentation
bin1100100011000101101111…
…11110010010110100001001
310121200221211021022101221201
412101202313332102310021
512104044410324020100
6134404253312104201
75545411652002201
oct621426776226411
9117627737271851
1027593956470025
118879593066400
123117a88235061
13125213946c60a
146b57a9c37401
1532cbaea6c36a
hex1918b7f92d09

27593956470025 has 81 divisors (see below), whose sum is σ = 37923150212479. Its totient is φ = 19902547456000.

The previous prime is 27593956470019. The next prime is 27593956470061. The reversal of 27593956470025 is 52007465939572.

It is a happy number.

The square root of 27593956470025 is 5252995.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 16804203099849 + 10789753370176 = 4099293^2 + 3284776^2 .

It is not a de Polignac number, because 27593956470025 - 25 = 27593956469993 is a prime.

It is a super-2 number, since 2×275939564700252 (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Duffinian 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 80 ways as a sum of consecutive naturals, for example, 43048293705 + ... + 43048294345.

Almost surely, 227593956470025 is an apocalyptic number.

27593956470025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27593956470025 is the 5252995-th square number.

27593956470025 is the 2626498-th centered octagonal number.

It is an amenable number.

27593956470025 is a deficient number, since it is larger than the sum of its proper divisors (10329193742454).

27593956470025 is an frugal number, since it uses more digits than its factorization.

27593956470025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 142884000, while the sum is 64.

The spelling of 27593956470025 in words is "twenty-seven trillion, five hundred ninety-three billion, nine hundred fifty-six million, four hundred seventy thousand, twenty-five".

Divisors: 1 5 11 25 55 121 149 275 605 641 745 1639 3025 3205 3725 7051 8195 16025 18029 22201 35255 40975 77561 90145 95509 111005 176275 244211 387805 410881 450725 477545 555025 1050599 1221055 1939025 2054405 2387725 2686321 4519691 5252995 6105275 10272025 11556589 13431605 14230841 22598455 26264975 49716601 57782945 61221269 67158025 71154205 112992275 156539251 248583005 288914725 306106345 355771025 673433959 782696255 1242915025 1530531725 1721931761 3367169795 3913481275 7407773549 8609658805 9121969081 16835848975 37038867745 43048294025 45609845405 100341659891 185194338725 228049227025 501708299455 1103758258801 2508541497275 5518791294005 27593956470025