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1087221286130 = 257471144328879
BaseRepresentation
bin11111101001000110111…
…00000100010011110010
310211221022022122211202212
433310203130010103302
5120303112122124010
62151243525212122
7141356233310660
oct17644334042362
93757268584685
101087221286130
1138a0a7088141
12156864261042
137b6a8504515
143a89c2a1c30
151d433bb0505
hexfd237044f2

1087221286130 has 64 divisors (see below), whose sum is σ = 2284434800640. Its totient is φ = 364785971904.

The previous prime is 1087221286127. The next prime is 1087221286147. The reversal of 1087221286130 is 316821227801.

1087221286130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37633031 + ... + 37661909.

It is an arithmetic number, because the mean of its divisors is an integer number (35694293760).

Almost surely, 21087221286130 is an apocalyptic number.

1087221286130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1087221286130 is an abundant number, since it is smaller than the sum of its proper divisors (1197213514510).

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

1087221286130 is a wasteful number, since it uses less digits than its factorization.

1087221286130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40383.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 1087221286130 in words is "one trillion, eighty-seven billion, two hundred twenty-one million, two hundred eighty-six thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 47 70 94 235 329 470 658 1645 3290 11443 22886 28879 57215 57758 80101 114430 144395 160202 202153 288790 400505 404306 537821 801010 1010765 1075642 1357313 2021530 2689105 2714626 3764747 5378210 6786565 7529494 9501191 13573130 18823735 19002382 37647470 47505955 95011910 330462397 660924794 1652311985 2313236779 3304623970 4626473558 11566183895 15531732659 23132367790 31063465318 77658663295 108722128613 155317326590 217444257226 543610643065 1087221286130