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272564451340 = 225171072974719
BaseRepresentation
bin1111110111011000011…
…0110111100000001100
3222001112111002202021021
43331312012313200030
513431202444420330
6325114150043524
725456254416116
oct3756606674014
9861474082237
10272564451340
11a5659588545
12449a93495a4
131c919b4104c
14d2995243b6
157153c9267a
hex3f761b780c

272564451340 has 48 divisors (see below), whose sum is σ = 606119673600. Its totient is φ = 102601562112.

The previous prime is 272564451329. The next prime is 272564451343. The reversal of 272564451340 is 43154465272.

It is not an unprimeable number, because it can be changed into a prime (272564451343) 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, 3610501 + ... + 3685219.

It is an arithmetic number, because the mean of its divisors is an integer number (12627493200).

Almost surely, 2272564451340 is an apocalyptic number.

272564451340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272564451340 is an abundant number, since it is smaller than the sum of its proper divisors (333555222260).

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

272564451340 is a wasteful number, since it uses less digits than its factorization.

272564451340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85474 (or 85472 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 272564451340 in words is "two hundred seventy-two billion, five hundred sixty-four million, four hundred fifty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 10729 21458 42916 53645 74719 107290 149438 182393 214580 298876 364786 373595 729572 747190 911965 1270223 1494380 1823930 2540446 3647860 5080892 6351115 12702230 25404460 801660151 1603320302 3206640604 4008300755 8016601510 13628222567 16033203020 27256445134 54512890268 68141112835 136282225670 272564451340