Base | Representation |
---|---|
bin | 10010110100101100… |
… | …100100000111101111 |
3 | 1221011120102001121020 |
4 | 102310230210013233 |
5 | 312343112402401 |
6 | 13141321305223 |
7 | 1313600331141 |
oct | 226454440757 |
9 | 57146361536 |
10 | 20211450351 |
11 | 8631922884 |
12 | 3b00935213 |
13 | 1ba14409a1 |
14 | d9a408c91 |
15 | 7d45d7d36 |
hex | 4b4b241ef |
20211450351 has 8 divisors (see below), whose sum is σ = 26949619200. Its totient is φ = 13473790872.
The previous prime is 20211450349. The next prime is 20211450367. The reversal of 20211450351 is 15305411202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20211450351 - 21 = 20211450349 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20211450151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22401 + ... + 202298.
It is an arithmetic number, because the mean of its divisors is an integer number (3368702400).
Almost surely, 220211450351 is an apocalyptic number.
20211450351 is a deficient number, since it is larger than the sum of its proper divisors (6738168849).
20211450351 is a wasteful number, since it uses less digits than its factorization.
20211450351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254685.
The product of its (nonzero) digits is 1200, while the sum is 24.
Adding to 20211450351 its reverse (15305411202), we get a palindrome (35516861553).
The spelling of 20211450351 in words is "twenty billion, two hundred eleven million, four hundred fifty thousand, three hundred fifty-one".
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