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2105162115044 = 2231157108134483
BaseRepresentation
bin11110101000100101011…
…100001010011111100100
321110020210100220210210212
4132220211130022133210
5233442333000140134
64251033110034552
7305043610506452
oct36504534123744
97406710823725
102105162115044
1174188115036a
1229bbb2648a58
13123692683a51
1473c673319d2
1539b604e2bce
hex1ea2570a7e4

2105162115044 has 24 divisors (see below), whose sum is σ = 3827095657728. Its totient is φ = 1012138751520.

The previous prime is 2105162115029. The next prime is 2105162115127. The reversal of 2105162115044 is 4405112615012.

It is a happy number.

It is a super-2 number, since 2×21051621150442 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2105162115044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54047774 + ... + 54086709.

It is an arithmetic number, because the mean of its divisors is an integer number (159462319072).

Almost surely, 22105162115044 is an apocalyptic number.

It is an amenable number.

2105162115044 is a deficient number, since it is larger than the sum of its proper divisors (1721933542684).

2105162115044 is a wasteful number, since it uses less digits than its factorization.

2105162115044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108134675 (or 108134673 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 2105162115044 in words is "two trillion, one hundred five billion, one hundred sixty-two million, one hundred fifteen thousand, forty-four".

Divisors: 1 2 4 31 62 124 157 314 628 4867 9734 19468 108134483 216268966 432537932 3352168973 6704337946 13408675892 16977113831 33954227662 67908455324 526290528761 1052581057522 2105162115044