Base | Representation |
---|---|
bin | 111111011111101… |
… | …1010010100111101 |
3 | 12111111000021001222 |
4 | 1332333122110331 |
5 | 13330410132000 |
6 | 551225043125 |
7 | 103540252142 |
oct | 17677322475 |
9 | 5444007058 |
10 | 2130552125 |
11 | 9a3706389 |
12 | 4b56264a5 |
13 | 27c527240 |
14 | 162d603c9 |
15 | c709ea85 |
hex | 7efda53d |
2130552125 has 16 divisors (see below), whose sum is σ = 2863464240. Its totient is φ = 1573329600.
The previous prime is 2130552121. The next prime is 2130552131. The reversal of 2130552125 is 5212550312.
It can be written as a sum of positive squares in 8 ways, for example, as 1700985049 + 429567076 = 41243^2 + 20726^2 .
It is not a de Polignac number, because 2130552125 - 22 = 2130552121 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2130552094 and 2130552103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130552121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653930 + ... + 657179.
It is an arithmetic number, because the mean of its divisors is an integer number (178966515).
Almost surely, 22130552125 is an apocalyptic number.
2130552125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2130552125 is a deficient number, since it is larger than the sum of its proper divisors (732912115).
2130552125 is a wasteful number, since it uses less digits than its factorization.
2130552125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1311137 (or 1311127 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 2130552125 is about 46157.9042526846. The cubic root of 2130552125 is about 1286.7595138761.
The spelling of 2130552125 in words is "two billion, one hundred thirty million, five hundred fifty-two thousand, one hundred twenty-five".
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