Base | Representation |
---|---|
bin | 111000110100001011… |
… | …1100110010100010010 |
3 | 102122221002112022201000 |
4 | 1301220113212110102 |
5 | 3444334041213020 |
6 | 132014535522430 |
7 | 11546344514130 |
oct | 1615027462422 |
9 | 378832468630 |
10 | 122010101010 |
11 | 47820580826 |
12 | 1b790b29416 |
13 | b67578a255 |
14 | 5c962b0750 |
15 | 32916b1090 |
hex | 1c685e6512 |
122010101010 has 128 divisors (see below), whose sum is σ = 383835340800. Its totient is φ = 26988396480.
The previous prime is 122010101009. The next prime is 122010101047. The reversal of 122010101010 is 10101010221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
122010101010 is a modest number, since divided by 10101010 gives 1220 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 122010100983 and 122010101001.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 982630 + ... + 1099809.
It is an arithmetic number, because the mean of its divisors is an integer number (2998713600).
Almost surely, 2122010101010 is an apocalyptic number.
122010101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122010101010 is an abundant number, since it is smaller than the sum of its proper divisors (261825239790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122010101010 is a wasteful number, since it uses less digits than its factorization.
122010101010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2082493 (or 2082487 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
Adding to 122010101010 its reverse (10101010221), we get a palindrome (132111111231).
The spelling of 122010101010 in words is "one hundred twenty-two billion, ten million, one hundred one thousand, ten".
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