Base | Representation |
---|---|
bin | 111111111011100… |
… | …0001111100010110 |
3 | 12112111110000022211 |
4 | 1333313001330112 |
5 | 13343123213220 |
6 | 552505344034 |
7 | 104105216026 |
oct | 17767017426 |
9 | 5474400284 |
10 | 2145132310 |
11 | a00964722 |
12 | 4ba49801a |
13 | 282560779 |
14 | 164c77a86 |
15 | c84ceb5a |
hex | 7fdc1f16 |
2145132310 has 16 divisors (see below), whose sum is σ = 3878103600. Its totient is φ = 854305056.
The previous prime is 2145132293. The next prime is 2145132361. The reversal of 2145132310 is 132315412.
It is a happy number.
It is a super-2 number, since 2×21451323102 = 9203185254811872200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466080 + ... + 470659.
It is an arithmetic number, because the mean of its divisors is an integer number (242381475).
Almost surely, 22145132310 is an apocalyptic number.
2145132310 is a deficient number, since it is larger than the sum of its proper divisors (1732971290).
2145132310 is a wasteful number, since it uses less digits than its factorization.
2145132310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 936975.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 2145132310 is about 46315.5730829275. The cubic root of 2145132310 is about 1289.6881063970.
Adding to 2145132310 its reverse (132315412), we get a palindrome (2277447722).
The spelling of 2145132310 in words is "two billion, one hundred forty-five million, one hundred thirty-two thousand, three hundred ten".
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