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27825084813 = 359712698231
BaseRepresentation
bin11001111010100000…
…010001100110001101
32122211011210202121210
4121322200101212031
5423441210203223
620441020045033
72003350214151
oct317240214615
978734722553
1027825084813
1110889598069
125486693779
132815907436
1414bd65b061
15accc14893
hex67a81198d

27825084813 has 32 divisors (see below), whose sum is σ = 38407219200. Its totient is φ = 17909796800.

The previous prime is 27825084787. The next prime is 27825084817. The reversal of 27825084813 is 31848052872.

It is a cyclic number.

It is not a de Polignac number, because 27825084813 - 28 = 27825084557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27825084817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3376408 + ... + 3384638.

It is an arithmetic number, because the mean of its divisors is an integer number (1200225600).

Almost surely, 227825084813 is an apocalyptic number.

It is an amenable number.

27825084813 is a deficient number, since it is larger than the sum of its proper divisors (10582134387).

27825084813 is a wasteful number, since it uses less digits than its factorization.

27825084813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8633.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 27825084813 in words is "twenty-seven billion, eight hundred twenty-five million, eighty-four thousand, eight hundred thirteen".

Divisors: 1 3 59 71 177 213 269 807 4189 8231 12567 15871 19099 24693 47613 57297 485629 584401 1126841 1456887 1753203 2214139 3380523 6642417 34479659 103438977 130634201 157203869 391902603 471611607 9275028271 27825084813