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27245673448 = 237269504269
BaseRepresentation
bin11001010111111101…
…111111101111101000
32121022210112121122121
4121113331333233220
5421244343022243
620303321201024
71653113255200
oct312775775750
977283477577
1027245673448
11106115217a4
125344630174
132752869b86
141466713400
15a96e121ed
hex657f7fbe8

27245673448 has 24 divisors (see below), whose sum is σ = 59426150850. Its totient is φ = 11676717024.

The previous prime is 27245673353. The next prime is 27245673457. The reversal of 27245673448 is 84437654272.

It can be written as a sum of positive squares in only one way, i.e., 21105697284 + 6139976164 = 145278^2 + 78358^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27245673395 and 27245673404.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34751743 + ... + 34752526.

Almost surely, 227245673448 is an apocalyptic number.

27245673448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27245673448 is an abundant number, since it is smaller than the sum of its proper divisors (32180477402).

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

27245673448 is a wasteful number, since it uses less digits than its factorization.

27245673448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69504289 (or 69504278 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 52.

The spelling of 27245673448 in words is "twenty-seven billion, two hundred forty-five million, six hundred seventy-three thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 69504269 139008538 278017076 486529883 556034152 973059766 1946119532 3405709181 3892239064 6811418362 13622836724 27245673448