Base | Representation |
---|---|
bin | 11111010100011111101… |
… | …111101100110010101001 |
3 | 21121202111021021011100110 |
4 | 133110133233230302221 |
5 | 240230413132310400 |
6 | 4324431430524533 |
7 | 311333164312215 |
oct | 37243757546251 |
9 | 7552437234313 |
10 | 2152311213225 |
11 | 75a876629708 |
12 | 2a9170806749 |
13 | 127c678b3804 |
14 | 7625b18b945 |
15 | 3aebe945e50 |
hex | 1f51fbecca9 |
2152311213225 has 48 divisors (see below), whose sum is σ = 3673807829504. Its totient is φ = 1110710016000.
The previous prime is 2152311213211. The next prime is 2152311213259. The reversal of 2152311213225 is 5223121132512.
It is not a de Polignac number, because 2152311213225 - 210 = 2152311212201 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2152311213192 and 2152311213201.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16986105 + ... + 17112345.
Almost surely, 22152311213225 is an apocalyptic number.
2152311213225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2152311213225 is a deficient number, since it is larger than the sum of its proper divisors (1521496616279).
2152311213225 is a wasteful number, since it uses less digits than its factorization.
2152311213225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133618 (or 133613 counting only the distinct ones).
The product of its digits is 7200, while the sum is 30.
Adding to 2152311213225 its reverse (5223121132512), we get a palindrome (7375432345737).
The spelling of 2152311213225 in words is "two trillion, one hundred fifty-two billion, three hundred eleven million, two hundred thirteen thousand, two hundred twenty-five".
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