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2100555055482 = 2313109918726893
BaseRepresentation
bin11110100100010010110…
…101101000000101111010
321102210220021220221012020
4132210102311220011322
5233403414043233412
64244552012455310
7304521466242102
oct36442265500572
97383807827166
102100555055482
1173a927627324
1229b12777a536
1312310a0643c0
147394b518202
1539990d0818c
hex1e912d6817a

2100555055482 has 64 divisors (see below), whose sum is σ = 4566446290560. Its totient is φ = 640301531904.

The previous prime is 2100555055471. The next prime is 2100555055483. The reversal of 2100555055482 is 2845505550012.

It is a super-2 number, since 2×21005550554822 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100555055483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78094428 + ... + 78121320.

It is an arithmetic number, because the mean of its divisors is an integer number (71350723290).

Almost surely, 22100555055482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100555055482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2283223145280).

2100555055482 is an abundant number, since it is smaller than the sum of its proper divisors (2465891235078).

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

2100555055482 is a wasteful number, since it uses less digits than its factorization.

2100555055482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36207.

The product of its (nonzero) digits is 400000, while the sum is 42.

The spelling of 2100555055482 in words is "two trillion, one hundred billion, five hundred fifty-five million, fifty-five thousand, four hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 109 218 327 654 1417 2834 4251 8502 9187 18374 26893 27561 53786 55122 80679 119431 161358 238862 349609 358293 699218 716586 1001383 1048827 2002766 2097654 2931337 3004149 5862674 6008298 8794011 13017979 17588022 26035958 38107381 39053937 76214762 78107874 114322143 228644286 247065991 494131982 741197973 1482395946 3211857883 6423715766 9635573649 19271147298 26930193019 53860386038 80790579057 161581158114 350092509247 700185018494 1050277527741 2100555055482