Base | Representation |
---|---|
bin | 10010101111011111… |
… | …011001011011011000 |
3 | 1220221111001211201201 |
4 | 102233133121123120 |
5 | 312203233100400 |
6 | 13124521323544 |
7 | 1311460064134 |
oct | 225737313330 |
9 | 56844054651 |
10 | 20124112600 |
11 | 859759a719 |
12 | 3a976365b4 |
13 | 1b89311747 |
14 | d8c9923c4 |
15 | 7cbad506a |
hex | 4af7d96d8 |
20124112600 has 48 divisors (see below), whose sum is σ = 46800966600. Its totient is φ = 8047511040.
The previous prime is 20124112597. The next prime is 20124112601. The reversal of 20124112600 is 621142102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20124112601) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898336 + ... + 920464.
Almost surely, 220124112600 is an apocalyptic number.
20124112600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20124112600 is an abundant number, since it is smaller than the sum of its proper divisors (26676854000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20124112600 is a wasteful number, since it uses less digits than its factorization.
20124112600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26692 (or 26683 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 20124112600 its reverse (621142102), we get a palindrome (20745254702).
The spelling of 20124112600 in words is "twenty billion, one hundred twenty-four million, one hundred twelve thousand, six hundred".
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