Base | Representation |
---|---|
bin | 11110100100010010110… |
… | …101101000000101111010 |
3 | 21102210220021220221012020 |
4 | 132210102311220011322 |
5 | 233403414043233412 |
6 | 4244552012455310 |
7 | 304521466242102 |
oct | 36442265500572 |
9 | 7383807827166 |
10 | 2100555055482 |
11 | 73a927627324 |
12 | 29b12777a536 |
13 | 12310a0643c0 |
14 | 7394b518202 |
15 | 39990d0818c |
hex | 1e912d6817a |
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".
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