Base | Representation |
---|---|
bin | 111001000000000000… |
… | …1110000100111100100 |
3 | 102200221202102100211211 |
4 | 1302000001300213210 |
5 | 4001142144413340 |
6 | 132122155241204 |
7 | 11562234403210 |
oct | 1620001604744 |
9 | 380852370754 |
10 | 122407029220 |
11 | 47a04638873 |
12 | 1b881a49204 |
13 | b709a94608 |
14 | 5cd2cb5940 |
15 | 32b64695ea |
hex | 1c800709e4 |
122407029220 has 24 divisors (see below), whose sum is σ = 293776870464. Its totient is φ = 41968124256.
The previous prime is 122407029209. The next prime is 122407029221. The reversal of 122407029220 is 22920704221.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (122407029221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437167822 + ... + 437168101.
It is an arithmetic number, because the mean of its divisors is an integer number (12240702936).
Almost surely, 2122407029220 is an apocalyptic number.
122407029220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122407029220 is an abundant number, since it is smaller than the sum of its proper divisors (171369841244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122407029220 is a wasteful number, since it uses less digits than its factorization.
122407029220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 874335939 (or 874335937 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 31.
The spelling of 122407029220 in words is "one hundred twenty-two billion, four hundred seven million, twenty-nine thousand, two hundred twenty".
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