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10127687108 = 22721153263337
BaseRepresentation
bin10010110111010100…
…00011110111000100
3222010211000210220112
421123222003313010
5131220141441413
64352543252152
7505654630400
oct113352036704
928124023815
1010127687108
1143278a7250
121b678aa058
13c552a6286
146c10c0100
153e41d12a8
hex25ba83dc4

10127687108 has 144 divisors (see below), whose sum is σ = 23071112064. Its totient is φ = 3845237760.

The previous prime is 10127687107. The next prime is 10127687123. The reversal of 10127687108 is 80178672101.

10127687108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10127687107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30052316 + ... + 30052652.

It is an arithmetic number, because the mean of its divisors is an integer number (160216056).

Almost surely, 210127687108 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 10127687108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11535556032).

10127687108 is an abundant number, since it is smaller than the sum of its proper divisors (12943424956).

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

10127687108 is a wasteful number, since it uses less digits than its factorization.

10127687108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 10127687108 in words is "ten billion, one hundred twenty-seven million, six hundred eighty-seven thousand, one hundred eight".

Divisors: 1 2 4 7 11 14 22 28 44 49 53 77 98 106 154 196 212 263 308 337 371 526 539 583 674 742 1052 1078 1166 1348 1484 1841 2156 2332 2359 2597 2893 3682 3707 4081 4718 5194 5786 7364 7414 8162 9436 10388 11572 12887 13939 14828 16324 16513 17861 20251 25774 25949 27878 28567 33026 35722 40502 51548 51898 55756 57134 66052 71444 81004 88631 97573 103796 114268 125027 141757 153329 177262 181643 195146 196471 250054 283514 306658 354524 363286 390292 392942 500108 567028 613316 620417 683011 726572 785884 875189 974941 1073303 1240834 1366022 1375297 1750378 1949882 2146606 2481668 2732044 2750594 3500756 3899764 4293212 4342919 4697443 5501188 6824587 7513121 8685838 9394886 9627079 13649174 15026242 17371676 18789772 19254158 27298348 30052484 32882101 38508316 47772109 51671873 65764202 95544218 103343746 131528404 191088436 206687492 230174707 361703111 460349414 723406222 920698828 1446812444 2531921777 5063843554 10127687108