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27625652672 = 266129324151
BaseRepresentation
bin11001101110100111…
…100000000111000000
32122022021112120011012
4121232213200013000
5423034131341142
620405133340052
71665406113302
oct315647400700
978267476135
1027625652672
1110796a62812
12542b937628
1327b34bb757
1414a0d85972
15aba46d882
hex66e9e01c0

27625652672 has 56 divisors (see below), whose sum is σ = 55910817312. Its totient is φ = 13539456000.

The previous prime is 27625652669. The next prime is 27625652693.

27625652672 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 27625652672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131797 + ... + 1155947.

It is an arithmetic number, because the mean of its divisors is an integer number (998407452).

Almost surely, 227625652672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27625652672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27955408656).

27625652672 is an abundant number, since it is smaller than the sum of its proper divisors (28285164640).

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

27625652672 is a wasteful number, since it uses less digits than its factorization.

27625652672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24517 (or 24507 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 50.

The spelling of 27625652672 in words is "twenty-seven billion, six hundred twenty-five million, six hundred fifty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 61 64 122 244 293 488 586 976 1172 1952 2344 3904 4688 9376 17873 18752 24151 35746 48302 71492 96604 142984 193208 285968 386416 571936 772832 1143872 1473211 1545664 2946422 5892844 7076243 11785688 14152486 23571376 28304972 47142752 56609944 94285504 113219888 226439776 431650823 452879552 863301646 1726603292 3453206584 6906413168 13812826336 27625652672