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127807804146 = 2311198310091217
BaseRepresentation
bin111011100000111110…
…0000101001011110010
3110012220010221011020210
41313001330011023302
54043222244213041
6134414124444550
712143124260541
oct1670174051362
9405803834223
10127807804146
114a22619aa20
122092a6a9756
13c08a976419
1462862a0158
1534d0689016
hex1dc1f052f2

127807804146 has 128 divisors (see below), whose sum is σ = 297605145600. Its totient is φ = 36183490560.

The previous prime is 127807804133. The next prime is 127807804151. The reversal of 127807804146 is 641408708721.

It is a junction number, because it is equal to n+sod(n) for n = 127807804095 and 127807804104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105018130 + ... + 105019346.

It is an arithmetic number, because the mean of its divisors is an integer number (2325040200).

Almost surely, 2127807804146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127807804146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148802572800).

127807804146 is an abundant number, since it is smaller than the sum of its proper divisors (169797341454).

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

127807804146 is a wasteful number, since it uses less digits than its factorization.

127807804146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344.

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 127807804146 in words is "one hundred twenty-seven billion, eight hundred seven million, eight hundred four thousand, one hundred forty-six".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 83 114 166 209 249 418 498 627 913 1009 1217 1254 1577 1826 2018 2434 2739 3027 3154 3651 4731 5478 6054 7302 9462 11099 13387 17347 19171 22198 23123 26774 33297 34694 38342 40161 46246 52041 57513 66594 69369 80322 83747 101011 104082 115026 138738 167494 202022 210881 251241 254353 303033 421762 502482 508706 606066 632643 763059 921217 1111121 1227953 1265286 1526118 1591193 1842434 1919209 2222242 2455906 2763651 3182386 3333363 3683859 3838418 4773579 5527302 5757627 6666726 7367718 9547158 11515254 13507483 17503123 21111299 23331107 27014966 35006246 40522449 42222598 46662214 52509369 63333897 69993321 81044898 101920099 105018738 126667794 139986642 203840198 256642177 305760297 513284354 611520594 769926531 1121121089 1539853062 1936481881 2242242178 3363363267 3872963762 5809445643 6726726534 11618891286 21301300691 42602601382 63903902073 127807804146