Base | Representation |
---|---|
bin | 10010101111100011… |
… | …100101101011011001 |
3 | 1220221120010122221021 |
4 | 102233203211223121 |
5 | 312204023230403 |
6 | 13125001042441 |
7 | 1311502321402 |
oct | 225743455331 |
9 | 56846118837 |
10 | 20125211353 |
11 | 8598180185 |
12 | 3a97a86421 |
13 | 1b896078b0 |
14 | d8cb9a9a9 |
15 | 7cbc508bd |
hex | 4af8e5ad9 |
20125211353 has 32 divisors (see below), whose sum is σ = 22399977600. Its totient is φ = 17964011520.
The previous prime is 20125211321. The next prime is 20125211401. The reversal of 20125211353 is 35311252102.
It is not a de Polignac number, because 20125211353 - 25 = 20125211321 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20125211753) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44822073 + ... + 44822521.
It is an arithmetic number, because the mean of its divisors is an integer number (699999300).
Almost surely, 220125211353 is an apocalyptic number.
It is an amenable number.
20125211353 is a deficient number, since it is larger than the sum of its proper divisors (2274766247).
20125211353 is a wasteful number, since it uses less digits than its factorization.
20125211353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1129.
The product of its (nonzero) digits is 1800, while the sum is 25.
Adding to 20125211353 its reverse (35311252102), we get a palindrome (55436463455).
The spelling of 20125211353 in words is "twenty billion, one hundred twenty-five million, two hundred eleven thousand, three hundred fifty-three".
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