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2222516012660 = 225322649344417
BaseRepresentation
bin100000010101111000010…
…001110000011001110100
321212110200221222111020022
4200111320101300121310
5242403203044401120
64421002035224312
7316400006255606
oct40257021603164
97773627874208
102222516012660
11787622391609
122ba8a4148098
131317755a5b58
14797db075176
153cc2d00d025
hex20578470674

2222516012660 has 24 divisors (see below), whose sum is σ = 4667311643400. Its totient is φ = 889001068544.

The previous prime is 2222516012641. The next prime is 2222516012683. The reversal of 2222516012660 is 662106152222.

It can be written as a sum of positive squares in 4 ways, for example, as 876373077904 + 1346142934756 = 936148^2 + 1160234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2222516012660.

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 7 ways as a sum of consecutive naturals, for example, 6280772 + ... + 6625188.

It is an arithmetic number, because the mean of its divisors is an integer number (194471318475).

Almost surely, 22222516012660 is an apocalyptic number.

2222516012660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222516012660 is an abundant number, since it is smaller than the sum of its proper divisors (2444795630740).

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

2222516012660 is a wasteful number, since it uses less digits than its factorization.

2222516012660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667075 (or 667073 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 2222516012660 in words is "two trillion, two hundred twenty-two billion, five hundred sixteen million, twelve thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 322649 344417 645298 688834 1290596 1377668 1613245 1722085 3226490 3444170 6452980 6888340 111125800633 222251601266 444503202532 555629003165 1111258006330 2222516012660