Base | Representation |
---|---|
bin | 11111010101001111011… |
… | …111101100101111110001 |
3 | 21121211120002200212020211 |
4 | 133111033133230233301 |
5 | 240234033223400410 |
6 | 4325043125304121 |
7 | 311362062536320 |
oct | 37251737545761 |
9 | 7554502625224 |
10 | 2153112325105 |
11 | 760147859945 |
12 | 2a9354b65041 |
13 | 128064865801 |
14 | 762d57260b7 |
15 | 3b019e3c68a |
hex | 1f54f7ecbf1 |
2153112325105 has 32 divisors (see below), whose sum is σ = 3009827778048. Its totient is φ = 1448149363200.
The previous prime is 2153112325087. The next prime is 2153112325121. The reversal of 2153112325105 is 5015232113512.
It is a happy number.
It is not a de Polignac number, because 2153112325105 - 217 = 2153112194033 is a prime.
It is a super-2 number, since 2×21531123251052 (a number of 25 digits) contains 22 as substring.
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, 1865461 + ... + 2790370.
It is an arithmetic number, because the mean of its divisors is an integer number (94057118064).
Almost surely, 22153112325105 is an apocalyptic number.
It is an amenable number.
2153112325105 is a deficient number, since it is larger than the sum of its proper divisors (856715452943).
2153112325105 is a wasteful number, since it uses less digits than its factorization.
2153112325105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4656097.
The product of its (nonzero) digits is 9000, while the sum is 31.
Adding to 2153112325105 its reverse (5015232113512), we get a palindrome (7168344438617).
The spelling of 2153112325105 in words is "two trillion, one hundred fifty-three billion, one hundred twelve million, three hundred twenty-five thousand, one hundred five".
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