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72849769800 = 23352121416283
BaseRepresentation
bin100001111011000101…
…1110100010101001000
320222001000200202010020
41003312023310111020
52143144020113200
653244451220440
75156166553263
oct1036613642510
9228030622106
1072849769800
1128993883325
12121512a7720
136b3c97c282
1437512b3cda
151d658cbea0
hex10f62f4548

72849769800 has 48 divisors (see below), whose sum is σ = 225834288240. Its totient is φ = 19426605120.

The previous prime is 72849769793. The next prime is 72849769801. The reversal of 72849769800 is 896794827.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (72849769801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60707542 + ... + 60708741.

It is an arithmetic number, because the mean of its divisors is an integer number (4704881005).

Almost surely, 272849769800 is an apocalyptic number.

It is an amenable number.

72849769800 is an abundant number, since it is smaller than the sum of its proper divisors (152984518440).

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

72849769800 is a wasteful number, since it uses less digits than its factorization.

72849769800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121416302 (or 121416293 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 72849769800 in words is "seventy-two billion, eight hundred forty-nine million, seven hundred sixty-nine thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 121416283 242832566 364248849 485665132 607081415 728497698 971330264 1214162830 1456995396 1821244245 2428325660 2913990792 3035407075 3642488490 4856651320 6070814150 7284976980 9106221225 12141628300 14569953960 18212442450 24283256600 36424884900 72849769800