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71272713800 = 23523111495599
BaseRepresentation
bin100001001100000101…
…1110100111001001000
320210222010011222222202
41002120023310321020
52131431303320200
652424153335332
75102130033341
oct1023013647110
9223863158882
1071272713800
1128254652862
1211991107548
13694b01a942
143641a730c8
151cc22111d5
hex10982f4e48

71272713800 has 48 divisors (see below), whose sum is σ = 171054528000. Its totient is φ = 27589435200.

The previous prime is 71272713791. The next prime is 71272713871. The reversal of 71272713800 is 831727217.

It is a happy number.

It is a super-3 number, since 3×712727138003 (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5741600 + ... + 5753999.

It is an arithmetic number, because the mean of its divisors is an integer number (3563636000).

Almost surely, 271272713800 is an apocalyptic number.

It is an amenable number.

71272713800 is an abundant number, since it is smaller than the sum of its proper divisors (99781814200).

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

71272713800 is a wasteful number, since it uses less digits than its factorization.

71272713800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495646 (or 11495637 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 71272713800 in words is "seventy-one billion, two hundred seventy-two million, seven hundred thirteen thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 155 200 248 310 620 775 1240 1550 3100 6200 11495599 22991198 45982396 57477995 91964792 114955990 229911980 287389975 356363569 459823960 574779950 712727138 1149559900 1425454276 1781817845 2299119800 2850908552 3563635690 7127271380 8909089225 14254542760 17818178450 35636356900 71272713800