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2105740722460 = 2251317717104149
BaseRepresentation
bin11110101001000111111…
…011011000000100011100
321110022021200200002222011
4132221013323120010130
5234000024111104320
64251210335401004
7305064134546524
oct36510773300434
97408250602864
102105740722460
11742048817711
122a0134383164
131237554cc3bb
1473cc010a684
1539b961d705a
hex1ea47ed811c

2105740722460 has 48 divisors (see below), whose sum is σ = 4456431856800. Its totient is φ = 835750206720.

The previous prime is 2105740722451. The next prime is 2105740722467. The reversal of 2105740722460 is 642270475012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105740722467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20166466 + ... + 20270614.

It is an arithmetic number, because the mean of its divisors is an integer number (92842330350).

Almost surely, 22105740722460 is an apocalyptic number.

2105740722460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105740722460 is an abundant number, since it is smaller than the sum of its proper divisors (2350691134340).

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

2105740722460 is a wasteful number, since it uses less digits than its factorization.

2105740722460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112006 (or 112004 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 2105740722460 in words is "two trillion, one hundred five billion, seven hundred forty million, seven hundred twenty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 7717 15434 30868 38585 77170 104149 154340 208298 416596 520745 1010927 1041490 2021854 2082980 4043708 5054635 10109270 13643519 20218540 27287038 54574076 68217595 136435190 272870380 803717833 1607435666 3214871332 4018589165 8037178330 16074356660 105287036123 210574072246 421148144492 526435180615 1052870361230 2105740722460