| Base | Representation |
|---|---|
| bin | 10110101101101000101… |
| … | …11110100010101001000 |
| 3 | 2202121101110220222202200 |
| 4 | 23112310113310111020 |
| 5 | 100241242244114422 |
| 6 | 1354303502400200 |
| 7 | 110245262642100 |
| oct | 13266427642510 |
| 9 | 2677343828680 |
| 10 | 780415223112 |
| 11 | 280a77058a78 |
| 12 | 1072bb590060 |
| 13 | 587926133b5 |
| 14 | 29ab5288200 |
| 15 | 15478c452ac |
| hex | b5b45f4548 |
780415223112 has 324 divisors, whose sum is σ = 2499883286355. Its totient is φ = 219302741952.
The previous prime is 780415223087. The next prime is 780415223153. The reversal of 780415223112 is 211322514087.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
780415223112 is a `hidden beast` number, since 7 + 8 + 0 + 415 + 2 + 231 + 1 + 2 = 666.
780415223112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 390207611556 + 390207611556 = 624666^2 + 624666^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=624666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 5614497939 + ... + 5614498077.
Almost surely, 2780415223112 is an apocalyptic number.
780415223112 is a gapful number since it is divisible by the number (72) 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 780415223112
780415223112 is an abundant number, since it is smaller than the sum of its proper divisors (1719468063243).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
780415223112 is a wasteful number, since it uses less digits than its factorization.
780415223112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 518 (or 258 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
Adding to 780415223112 its reverse (211322514087), we get a palindrome (991737737199).
The spelling of 780415223112 in words is "seven hundred eighty billion, four hundred fifteen million, two hundred twenty-three thousand, one hundred twelve".
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