| Base | Representation |
|---|---|
| bin | 1110101111010000010… |
| … | …1011010100010111000 |
| 3 | 220012120011102102010210 |
| 4 | 3223310011122202320 |
| 5 | 13122030002211240 |
| 6 | 312153034311120 |
| 7 | 24202416243222 |
| oct | 3536405324270 |
| 9 | 805504372123 |
| 10 | 253203163320 |
| 11 | 98423648268 |
| 12 | 410a52884a0 |
| 13 | 1ab528974c3 |
| 14 | c37ddc1412 |
| 15 | 68be13e780 |
| hex | 3af415a8b8 |
253203163320 has 256 divisors, whose sum is σ = 806722560000. Its totient is φ = 63398785536.
The previous prime is 253203163319. The next prime is 253203163387. The reversal of 253203163320 is 23361302352.
253203163320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2532031633202 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
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 63 ways as a sum of consecutive naturals, for example, 180987981 + ... + 180989379.
It is an arithmetic number, because the mean of its divisors is an integer number (3151260000).
Almost surely, 2253203163320 is an apocalyptic number.
253203163320 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 253203163320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403361280000).
253203163320 is an abundant number, since it is smaller than the sum of its proper divisors (553519396680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253203163320 is a wasteful number, since it uses less digits than its factorization.
253203163320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2082 (or 2078 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 30.
Adding to 253203163320 its reverse (23361302352), we get a palindrome (276564465672).
The spelling of 253203163320 in words is "two hundred fifty-three billion, two hundred three million, one hundred sixty-three thousand, three hundred twenty".
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