Base | Representation |
---|---|
bin | 111000110011111001… |
… | …0001101111010011000 |
3 | 102122220102002110121100 |
4 | 1301213302031322120 |
5 | 3444324034123340 |
6 | 132013545511400 |
7 | 11546165311563 |
oct | 1614762157230 |
9 | 378812073540 |
10 | 122000301720 |
11 | 47815a98440 |
12 | 1b7897a2560 |
13 | b673738b5b |
14 | 5c94c7d4da |
15 | 32908c7830 |
hex | 1c67c8de98 |
122000301720 has 96 divisors (see below), whose sum is σ = 432546538320. Its totient is φ = 29575829760.
The previous prime is 122000301713. The next prime is 122000301721. The reversal of 122000301720 is 27103000221.
122000301720 is digitally balanced in base 3, 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 (18).
It is a junction number, because it is equal to n+sod(n) for n = 122000301693 and 122000301702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122000301721) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15400119 + ... + 15408038.
Almost surely, 2122000301720 is an apocalyptic number.
122000301720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122000301720 is an abundant number, since it is smaller than the sum of its proper divisors (310546236600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122000301720 is a wasteful number, since it uses less digits than its factorization.
122000301720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30808185 (or 30808178 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
Adding to 122000301720 its reverse (27103000221), we get a palindrome (149103301941).
The spelling of 122000301720 in words is "one hundred twenty-two billion, three hundred one thousand, seven hundred twenty".
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