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2112205054530 = 235591312790907
BaseRepresentation
bin11110101111001001001…
…110110110001001000010
321110220222012110012111110
4132233021032312021002
5234101243443221110
64254200020424150
7305413260505644
oct36571116661102
97426865405443
102112205054530
1174486576300a
122a1439248056
1312424584246c
1474334868894
1539e2398ea20
hex1ebc93b6242

2112205054530 has 64 divisors (see below), whose sum is σ = 5155661767680. Its totient is φ = 553659720384.

The previous prime is 2112205054529. The next prime is 2112205054541. The reversal of 2112205054530 is 354505022112.

It is a super-2 number, since 2×21122050545302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23189337 + ... + 23280243.

It is an arithmetic number, because the mean of its divisors is an integer number (80557215120).

Almost surely, 22112205054530 is an apocalyptic number.

2112205054530 is an abundant number, since it is smaller than the sum of its proper divisors (3043456713150).

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

2112205054530 is a wasteful number, since it uses less digits than its factorization.

2112205054530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104103.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 2112205054530 in words is "two trillion, one hundred twelve billion, two hundred five million, fifty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 13127 26254 39381 65635 78762 90907 131270 181814 196905 272721 393810 454535 545442 774493 909070 1363605 1548986 2323479 2727210 3872465 4646958 5363513 7744930 10727026 11617395 16090539 23234790 26817565 32181078 53635130 80452695 160905390 1193336189 2386672378 3580008567 5966680945 7160017134 11933361890 17900042835 35800085670 70406835151 140813670302 211220505453 352034175755 422441010906 704068351510 1056102527265 2112205054530