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72928383333812 = 2223391541854801
BaseRepresentation
bin10000100101001111110110…
…011000011111010110110100
3100120012212220102111110021122
4100211033312120133112310
534024324312113140222
6415034500425203112
721234621216205016
oct2045176630372664
9316185812443248
1072928383333812
1121267832175576
12821a014030498
13319016a19c646
141401a771541b6
1586707bc36a42
hex4253f661f5b4

72928383333812 has 24 divisors (see below), whose sum is σ = 128173966312392. Its totient is φ = 36307253888000.

The previous prime is 72928383333811. The next prime is 72928383333877. The reversal of 72928383333812 is 21833338382927.

It can be written as a sum of positive squares in 4 ways, for example, as 1751927548816 + 71176455784996 = 1323604^2 + 8436614^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72928383333811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84888812 + ... + 85743612.

It is an arithmetic number, because the mean of its divisors is an integer number (5340581929683).

Almost surely, 272928383333812 is an apocalyptic number.

It is an amenable number.

72928383333812 is a deficient number, since it is larger than the sum of its proper divisors (55245582978580).

72928383333812 is a wasteful number, since it uses less digits than its factorization.

72928383333812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946579 (or 946577 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 62.

The spelling of 72928383333812 in words is "seventy-two trillion, nine hundred twenty-eight billion, three hundred eighty-three million, three hundred thirty-three thousand, eight hundred twelve".

Divisors: 1 2 4 233 466 932 91541 183082 366164 854801 1709602 3419204 21329053 42658106 85316212 199168633 398337266 796674532 78249338341 156498676682 312997353364 18232095833453 36464191666906 72928383333812