Base | Representation |
---|---|
bin | 10010101110001000… |
… | …100010110010011100 |
3 | 1220212220020002122111 |
4 | 102232020202302130 |
5 | 312131421010122 |
6 | 13122345323404 |
7 | 1311062415442 |
oct | 225610426234 |
9 | 56786202574 |
10 | 20101344412 |
11 | 8585759636 |
12 | 3a8ba96564 |
13 | 1b8469c346 |
14 | d89946b92 |
15 | 7c9ad8d77 |
hex | 4ae222c9c |
20101344412 has 12 divisors (see below), whose sum is σ = 35525644056. Its totient is φ = 9951160400.
The previous prime is 20101344407. The next prime is 20101344421. The reversal of 20101344412 is 21444310102.
It is a happy number.
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, 24877498 + ... + 24878305.
It is an arithmetic number, because the mean of its divisors is an integer number (2960470338).
Almost surely, 220101344412 is an apocalyptic number.
It is an amenable number.
20101344412 is a deficient number, since it is larger than the sum of its proper divisors (15424299644).
20101344412 is a wasteful number, since it uses less digits than its factorization.
20101344412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49755908 (or 49755906 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 20101344412 its reverse (21444310102), we get a palindrome (41545654514).
The spelling of 20101344412 in words is "twenty billion, one hundred one million, three hundred forty-four thousand, four hundred twelve".
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