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27870631062012 = 223261731093711467
BaseRepresentation
bin1100101011001001000110…
…00100000110100111111100
310122200101222012100221020100
412111210203010012213330
512123113023022441022
6135135331404521100
75604405135143544
oct625444304064774
9118611865327210
1027870631062012
1189759607153a2
123161621b50190
13127225c98643b
146c4d35182324
15334ea458e1ac
hex1959231069fc

27870631062012 has 72 divisors (see below), whose sum is σ = 70474762468656. Its totient is φ = 9287046123264.

The previous prime is 27870631061971. The next prime is 27870631062067. The reversal of 27870631062012 is 21026013607872.

27870631062012 is a `hidden beast` number, since 2 + 7 + 8 + 7 + 0 + 6 + 3 + 1 + 0 + 620 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2430501903 + ... + 2430513369.

It is an arithmetic number, because the mean of its divisors is an integer number (978816145398).

Almost surely, 227870631062012 is an apocalyptic number.

It is an amenable number.

27870631062012 is an abundant number, since it is smaller than the sum of its proper divisors (42604131406644).

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

27870631062012 is a wasteful number, since it uses less digits than its factorization.

27870631062012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28587 (or 28582 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

Adding to 27870631062012 its reverse (21026013607872), we get a palindrome (48896644669884).

The spelling of 27870631062012 in words is "twenty-seven trillion, eight hundred seventy billion, six hundred thirty-one million, sixty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 6173 10937 11467 12346 18519 21874 22934 24692 32811 34401 37038 43748 45868 55557 65622 68802 74076 98433 103203 111114 131244 137604 196866 206406 222228 393732 412812 67514101 70785791 125414579 135028202 141571582 202542303 212357373 250829158 270056404 283143164 376243737 405084606 424714746 501658316 607626909 637072119 752487474 810169212 849429492 1128731211 1215253818 1274144238 1504974948 2257462422 2430507636 2548288476 4514924844 774184196167 1548368392334 2322552588501 3096736784668 4645105177002 6967657765503 9290210354004 13935315531006 27870631062012