Base | Representation |
---|---|
bin | 10010110111000100… |
… | …101111000110100110 |
3 | 1221021100110201120220 |
4 | 102313010233012212 |
5 | 312433320404342 |
6 | 13145304305210 |
7 | 1314563363100 |
oct | 226704570646 |
9 | 57240421526 |
10 | 20251341222 |
11 | 8652399442 |
12 | 3b12172206 |
13 | 1ba9799958 |
14 | da1830570 |
15 | 7d7d675ec |
hex | 4b712f1a6 |
20251341222 has 96 divisors (see below), whose sum is σ = 50023163520. Its totient is φ = 5430862080.
The previous prime is 20251341199. The next prime is 20251341241. The reversal of 20251341222 is 22214315202.
It is a junction number, because it is equal to n+sod(n) for n = 20251341192 and 20251341201.
It is a congruent number.
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, 1888897 + ... + 1899587.
It is an arithmetic number, because the mean of its divisors is an integer number (521074620).
Almost surely, 220251341222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20251341222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25011581760).
20251341222 is an abundant number, since it is smaller than the sum of its proper divisors (29771822298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20251341222 is a wasteful number, since it uses less digits than its factorization.
20251341222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11106 (or 11099 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 20251341222 its reverse (22214315202), we get a palindrome (42465656424).
The spelling of 20251341222 in words is "twenty billion, two hundred fifty-one million, three hundred forty-one thousand, two hundred twenty-two".
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