Base | Representation |
---|---|
bin | 10010101111011000… |
… | …101001011111110100 |
3 | 1220221100201221212020 |
4 | 102233120221133310 |
5 | 312202304442122 |
6 | 13124415353140 |
7 | 1311436045143 |
oct | 225730513764 |
9 | 56840657766 |
10 | 20122343412 |
11 | 85965a1486 |
12 | 3a96b227b0 |
13 | 1b88b423a2 |
14 | d8c65175a |
15 | 7cb885c5c |
hex | 4af6297f4 |
20122343412 has 96 divisors (see below), whose sum is σ = 49410600960. Its totient is φ = 6365226240.
The previous prime is 20122343411. The next prime is 20122343413. The reversal of 20122343412 is 21434322102.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20122343411) and next prime (20122343413).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20122343411) 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, 11477928 + ... + 11479680.
It is an arithmetic number, because the mean of its divisors is an integer number (514693760).
Almost surely, 220122343412 is an apocalyptic number.
It is an amenable number.
20122343412 is an abundant number, since it is smaller than the sum of its proper divisors (29288257548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122343412 is a wasteful number, since it uses less digits than its factorization.
20122343412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2373 (or 2371 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 24.
Adding to 20122343412 its reverse (21434322102), we get a palindrome (41556665514).
The spelling of 20122343412 in words is "twenty billion, one hundred twenty-two million, three hundred forty-three thousand, four hundred twelve".
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