Base | Representation |
---|---|
bin | 1110100101010… |
… | …11111000110110 |
3 | 22112012110101021 |
4 | 13102223320312 |
5 | 222304320440 |
6 | 20050051354 |
7 | 3013602043 |
oct | 722537066 |
9 | 275173337 |
10 | 122338870 |
11 | 6306a005 |
12 | 34b79b5a |
13 | 1c465684 |
14 | 123681ca |
15 | ab1884a |
hex | 74abe36 |
122338870 has 16 divisors (see below), whose sum is σ = 225331920. Its totient is φ = 47797344.
The previous prime is 122338837. The next prime is 122338871. The reversal of 122338870 is 78833221.
It is a super-2 number, since 2×1223388702 = 29933598225753800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122338871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141825 + ... + 142684.
It is an arithmetic number, because the mean of its divisors is an integer number (14083245).
Almost surely, 2122338870 is an apocalyptic number.
122338870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122338870 is a deficient number, since it is larger than the sum of its proper divisors (102993050).
122338870 is a wasteful number, since it uses less digits than its factorization.
122338870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284559.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 122338870 is about 11060.6903039548. The cubic root of 122338870 is about 496.4263455060.
The spelling of 122338870 in words is "one hundred twenty-two million, three hundred thirty-eight thousand, eight hundred seventy".
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