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2068438086 = 2331113267863
BaseRepresentation
bin111101101001001…
…1101110001000110
312100011010112122000
41323102131301012
513214010004321
6541125450130
7102154301511
oct17322356106
95304115560
102068438086
11971641170
12498870946
1326c6b9c80
141589d1d78
15c18d0826
hex7b49dc46

2068438086 has 64 divisors (see below), whose sum is σ = 5400138240. Its totient is φ = 578581920.

The previous prime is 2068438063. The next prime is 2068438111. The reversal of 2068438086 is 6808348602.

It is a happy number.

2068438086 is a `hidden beast` number, since 206 + 8 + 438 + 0 + 8 + 6 = 666.

It is a super-2 number, since 2×20684380862 = 8556872231230686792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 126210 + ... + 141653.

It is an arithmetic number, because the mean of its divisors is an integer number (84377160).

Almost surely, 22068438086 is an apocalyptic number.

2068438086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2068438086 is an abundant number, since it is smaller than the sum of its proper divisors (3331700154).

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

2068438086 is a wasteful number, since it uses less digits than its factorization.

2068438086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267898 (or 267892 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 2068438086 is about 45480.0844986022. The cubic root of 2068438086 is about 1274.1312725827.

The spelling of 2068438086 in words is "two billion, sixty-eight million, four hundred thirty-eight thousand, eighty-six".

Divisors: 1 2 3 6 9 11 13 18 22 26 27 33 39 54 66 78 99 117 143 198 234 286 297 351 429 594 702 858 1287 2574 3861 7722 267863 535726 803589 1607178 2410767 2946493 3482219 4821534 5892986 6964438 7232301 8839479 10446657 14464602 17678958 20893314 26518437 31339971 38304409 53036874 62679942 76608818 79555311 94019913 114913227 159110622 188039826 229826454 344739681 689479362 1034219043 2068438086