| Base | Representation |
|---|---|
| bin | 10101000010010010001… |
| … | …00100000100000110000 |
| 3 | 2120002121210212212000020 |
| 4 | 22201021010200200300 |
| 5 | 43320223242033430 |
| 6 | 1312012444523440 |
| 7 | 103135113144360 |
| oct | 12411104404060 |
| 9 | 2502553785006 |
| 10 | 722780424240 |
| 11 | 259590785596 |
| 12 | b80b5850580 |
| 13 | 53208ba9804 |
| 14 | 26da89969a0 |
| 15 | 13c03e92b10 |
| hex | a849120830 |
722780424240 has 480 divisors, whose sum is σ = 2722615027200. Its totient is φ = 155351568384.
The previous prime is 722780424239. The next prime is 722780424241. The reversal of 722780424240 is 42424087227.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (722780424239) and next prime (722780424241).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 722780424192 and 722780424201.
It is not an unprimeable number, because it can be changed into a prime (722780424241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 83083411 + ... + 83092109.
It is an arithmetic number, because the mean of its divisors is an integer number (5672114640).
Almost surely, 2722780424240 is an apocalyptic number.
722780424240 is a gapful number since it is divisible by the number (70) 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 722780424240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361307513600).
722780424240 is an abundant number, since it is smaller than the sum of its proper divisors (1999834602960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
722780424240 is a wasteful number, since it uses less digits than its factorization.
722780424240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8897 (or 8872 counting only the distinct ones).
The product of its (nonzero) digits is 401408, while the sum is 42.
The spelling of 722780424240 in words is "seven hundred twenty-two billion, seven hundred eighty million, four hundred twenty-four thousand, two hundred forty".
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