Base | Representation |
---|---|
bin | 11110101000011100100… |
… | …001101000101001011010 |
3 | 21110020101221111100002011 |
4 | 132220130201220221122 |
5 | 233442031203214310 |
6 | 4251010204300134 |
7 | 305040113326420 |
oct | 36503441505132 |
9 | 7406357440064 |
10 | 2105012554330 |
11 | 741804789174 |
12 | 29bb7054164a |
13 | 12366a6a9a9a |
14 | 73c5151d110 |
15 | 39b522ed78a |
hex | 1ea1c868a5a |
2105012554330 has 32 divisors (see below), whose sum is σ = 4401300263040. Its totient is φ = 709887136320.
The previous prime is 2105012554313. The next prime is 2105012554343. The reversal of 2105012554330 is 334552105012.
It is a super-2 number, since 2×21050125543302 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2105012554292 and 2105012554301.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246484320 + ... + 246492859.
It is an arithmetic number, because the mean of its divisors is an integer number (137540633220).
Almost surely, 22105012554330 is an apocalyptic number.
2105012554330 is an abundant number, since it is smaller than the sum of its proper divisors (2296287708710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105012554330 is a wasteful number, since it uses less digits than its factorization.
2105012554330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 492977254.
The product of its (nonzero) digits is 18000, while the sum is 31.
Adding to 2105012554330 its reverse (334552105012), we get a palindrome (2439564659342).
The spelling of 2105012554330 in words is "two trillion, one hundred five billion, twelve million, five hundred fifty-four thousand, three hundred thirty".
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