| Base | Representation |
|---|---|
| bin | 1110100111011011011… |
| … | …1000010100011100000 |
| 3 | 220000010202011121022120 |
| 4 | 3221312313002203200 |
| 5 | 13103224133234130 |
| 6 | 311204344304240 |
| 7 | 24066355564215 |
| oct | 3516667024340 |
| 9 | 800122147276 |
| 10 | 251102243040 |
| 11 | 97545740810 |
| 12 | 407b9772080 |
| 13 | 1a8a95467cc |
| 14 | c220d75b0c |
| 15 | 67e9994910 |
| hex | 3a76dc28e0 |
251102243040 has 192 divisors, whose sum is σ = 863934543360. Its totient is φ = 60798781440.
The previous prime is 251102242987. The next prime is 251102243053. The reversal of 251102243040 is 40342201152.
251102243040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 251102243040.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4348437 + ... + 4405803.
It is an arithmetic number, because the mean of its divisors is an integer number (4499659080).
Almost surely, 2251102243040 is an apocalyptic number.
251102243040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 251102243040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431967271680).
251102243040 is an abundant number, since it is smaller than the sum of its proper divisors (612832300320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
251102243040 is a wasteful number, since it uses less digits than its factorization.
251102243040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58225 (or 58217 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 251102243040 its reverse (40342201152), we get a palindrome (291444444192).
The spelling of 251102243040 in words is "two hundred fifty-one billion, one hundred two million, two hundred forty-three thousand, forty".
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