Base | Representation |
---|---|
bin | 10010101111011000… |
… | …100100001000010110 |
3 | 1220221100200211201002 |
4 | 102233120210020112 |
5 | 312202303241210 |
6 | 13124415103302 |
7 | 1311435624101 |
oct | 225730441026 |
9 | 56840624632 |
10 | 20122321430 |
11 | 8596586a12 |
12 | 3a96b11b32 |
13 | 1b88b35393 |
14 | d8c647738 |
15 | 7cb87e4a5 |
hex | 4af624216 |
20122321430 has 8 divisors (see below), whose sum is σ = 36220178592. Its totient is φ = 8048928568.
The previous prime is 20122321423. The next prime is 20122321441. The reversal of 20122321430 is 3412322102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006116062 + ... + 1006116081.
It is an arithmetic number, because the mean of its divisors is an integer number (4527522324).
Almost surely, 220122321430 is an apocalyptic number.
20122321430 is a deficient number, since it is larger than the sum of its proper divisors (16097857162).
20122321430 is a wasteful number, since it uses less digits than its factorization.
20122321430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2012232150.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 20122321430 its reverse (3412322102), we get a palindrome (23534643532).
The spelling of 20122321430 in words is "twenty billion, one hundred twenty-two million, three hundred twenty-one thousand, four hundred thirty".
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