Base | Representation |
---|---|
bin | 1000011101010101… |
… | …1111001111011001 |
3 | 12212020110020212002 |
4 | 2013111133033121 |
5 | 14122230312040 |
6 | 1013145530345 |
7 | 110160263063 |
oct | 20725371731 |
9 | 5766406762 |
10 | 2270557145 |
11 | a6574120a |
12 | 5344a39b5 |
13 | 2a253694c |
14 | 1777a6733 |
15 | d4507a15 |
hex | 8755f3d9 |
2270557145 has 16 divisors (see below), whose sum is σ = 2890919808. Its totient is φ = 1706054400.
The previous prime is 2270557141. The next prime is 2270557147. The reversal of 2270557145 is 5417550722.
It is not a de Polignac number, because 2270557145 - 22 = 2270557141 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2270557099 and 2270557108.
It is not an unprimeable number, because it can be changed into a prime (2270557141) by changing a digit.
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, 13970 + ... + 68820.
It is an arithmetic number, because the mean of its divisors is an integer number (180682488).
Almost surely, 22270557145 is an apocalyptic number.
It is an amenable number.
2270557145 is a deficient number, since it is larger than the sum of its proper divisors (620362663).
2270557145 is a wasteful number, since it uses less digits than its factorization.
2270557145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55360.
The product of its (nonzero) digits is 98000, while the sum is 38.
The square root of 2270557145 is about 47650.3635348147. The cubic root of 2270557145 is about 1314.3493424586.
The spelling of 2270557145 in words is "two billion, two hundred seventy million, five hundred fifty-seven thousand, one hundred forty-five".
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