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28003077553325 = 5271093299948817
BaseRepresentation
bin1100101110111111110010…
…11111010111110010101101
310200011001211121210211000112
412113133321133113302231
512132300300323201300
6135320234120505405
75620104236556620
oct627377137276255
9120131747724015
1028003077553325
118a17047270676
12318322601b265
1312818a9673c64
146cb4db52ddb7
153386570ade35
hex1977f97d7cad

28003077553325 has 48 divisors (see below), whose sum is σ = 39734727648000. Its totient is φ = 19177752222720.

The previous prime is 28003077553289. The next prime is 28003077553327. The reversal of 28003077553325 is 52335577030082.

It is not a de Polignac number, because 28003077553325 - 26 = 28003077553261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28003077553327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 573609317 + ... + 573658133.

It is an arithmetic number, because the mean of its divisors is an integer number (827806826000).

Almost surely, 228003077553325 is an apocalyptic number.

28003077553325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28003077553325 is a deficient number, since it is larger than the sum of its proper divisors (11731650094675).

28003077553325 is a wasteful number, since it uses less digits than its factorization.

28003077553325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52926 (or 52921 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 28003077553325 in words is "twenty-eight trillion, three billion, seventy-seven million, five hundred fifty-three thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 1093 2999 5465 7651 14995 20993 27325 38255 48817 74975 104965 191275 244085 341719 524825 1220425 1708595 3277907 8542975 16389535 22945349 53356981 81947675 114726745 146402183 266784905 373498867 573633725 732010915 1024815281 1333924525 1867494335 3660054575 5124076405 9337471675 25620382025 160017586019 800087930095 1120123102133 4000439650475 5600615510665 28003077553325