Base | Representation |
---|---|
bin | 10011000101111001… |
… | …011001001110000110 |
3 | 1221220200102020022100 |
4 | 103011321121032012 |
5 | 313441001314441 |
6 | 13230110412530 |
7 | 1324003230240 |
oct | 230571311606 |
9 | 57820366270 |
10 | 20500026246 |
11 | 876a804157 |
12 | 3b81501146 |
13 | 1c1916b95b |
14 | dc6887090 |
15 | 7eeadbcb6 |
hex | 4c5e59386 |
20500026246 has 48 divisors (see below), whose sum is σ = 50879881728. Its totient is φ = 5843545200.
The previous prime is 20500026233. The next prime is 20500026343. The reversal of 20500026246 is 64262000502.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134440 + ... + 243051.
It is an arithmetic number, because the mean of its divisors is an integer number (1059997536).
Almost surely, 220500026246 is an apocalyptic number.
20500026246 is an abundant number, since it is smaller than the sum of its proper divisors (30379855482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20500026246 is a wasteful number, since it uses less digits than its factorization.
20500026246 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 377937 (or 377934 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 20500026246 its reverse (64262000502), we get a palindrome (84762026748).
The spelling of 20500026246 in words is "twenty billion, five hundred million, twenty-six thousand, two hundred forty-six".
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