Base | Representation |
---|---|
bin | 10010101111011000… |
… | …001010000000011110 |
3 | 1220221100111101221010 |
4 | 102233120022000132 |
5 | 312202241330210 |
6 | 13124412520050 |
7 | 1311435000123 |
oct | 225730120036 |
9 | 56840441833 |
10 | 20122214430 |
11 | 859651358a |
12 | 3a96a80026 |
13 | 1b88ac8776 |
14 | d8c61a74a |
15 | 7cb85c920 |
hex | 4af60a01e |
20122214430 has 16 divisors (see below), whose sum is σ = 48293314704. Its totient is φ = 5365923840.
The previous prime is 20122214393. The next prime is 20122214443. The reversal of 20122214430 is 3441222102.
It is a junction number, because it is equal to n+sod(n) for n = 20122214397 and 20122214406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335370211 + ... + 335370270.
It is an arithmetic number, because the mean of its divisors is an integer number (3018332169).
Almost surely, 220122214430 is an apocalyptic number.
20122214430 is an abundant number, since it is smaller than the sum of its proper divisors (28171100274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122214430 is a wasteful number, since it uses less digits than its factorization.
20122214430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 670740491.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20122214430 its reverse (3441222102), we get a palindrome (23563436532).
The spelling of 20122214430 in words is "twenty billion, one hundred twenty-two million, two hundred fourteen thousand, four hundred thirty".
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