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4105385680 = 245117363907
BaseRepresentation
bin1111010010110011…
…0011011011010000
3101121010000012102111
43310230303123100
531401434320210
61515212355104
7203510126314
oct36454633320
911533005374
104105385680
111817424030
12966a75a94
135056cc6c6
142ad347b44
1519064088a
hexf4b336d0

4105385680 has 80 divisors (see below), whose sum is σ = 10555556544. Its totient is φ = 1472394240.

The previous prime is 4105385659. The next prime is 4105385693. The reversal of 4105385680 is 865835014.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

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 15 ways as a sum of consecutive naturals, for example, 32287 + ... + 96193.

Almost surely, 24105385680 is an apocalyptic number.

4105385680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4105385680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5277778272).

4105385680 is an abundant number, since it is smaller than the sum of its proper divisors (6450170864).

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

4105385680 is a wasteful number, since it uses less digits than its factorization.

4105385680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64004 (or 63998 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 4105385680 is about 64073.2836680000. The cubic root of 4105385680 is about 1601.2211614908.

The spelling of 4105385680 in words is "four billion, one hundred five million, three hundred eighty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 73 80 88 110 146 176 220 292 365 440 584 730 803 880 1168 1460 1606 2920 3212 4015 5840 6424 8030 12848 16060 32120 63907 64240 127814 255628 319535 511256 639070 702977 1022512 1278140 1405954 2556280 2811908 3514885 4665211 5112560 5623816 7029770 9330422 11247632 14059540 18660844 23326055 28119080 37321688 46652110 51317321 56238160 74643376 93304220 102634642 186608440 205269284 256586605 373216880 410538568 513173210 821077136 1026346420 2052692840 4105385680