Base | Representation |
---|---|
bin | 1110101000110… |
… | …00110000101000 |
3 | 22120001010002111 |
4 | 13110120300220 |
5 | 222413103213 |
6 | 20103412104 |
7 | 3020440126 |
oct | 724306050 |
9 | 276033074 |
10 | 122784808 |
11 | 63344053 |
12 | 35154034 |
13 | 1c590643 |
14 | 12442916 |
15 | aba5a3d |
hex | 7518c28 |
122784808 has 16 divisors (see below), whose sum is σ = 230417280. Its totient is φ = 61340208.
The previous prime is 122784799. The next prime is 122784853. The reversal of 122784808 is 808487221.
It is a super-2 number, since 2×1227848082 = 30152218151193728, which contains 22 as substring.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 4585 + ... + 16327.
It is an arithmetic number, because the mean of its divisors is an integer number (14401080).
Almost surely, 2122784808 is an apocalyptic number.
It is an amenable number.
122784808 is a deficient number, since it is larger than the sum of its proper divisors (107632472).
122784808 is a wasteful number, since it uses less digits than its factorization.
122784808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13056 (or 13052 counting only the distinct ones).
The product of its (nonzero) digits is 57344, while the sum is 40.
The square root of 122784808 is about 11080.8306547840. The cubic root of 122784808 is about 497.0287894560.
The spelling of 122784808 in words is "one hundred twenty-two million, seven hundred eighty-four thousand, eight hundred eight".
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