Base | Representation |
---|---|
bin | 111000110100001111… |
… | …1100110110001000101 |
3 | 102122221020110221222120 |
4 | 1301220133212301011 |
5 | 3444340110400010 |
6 | 132015052520153 |
7 | 11546401405503 |
oct | 1615037466105 |
9 | 378836427876 |
10 | 122012200005 |
11 | 47821784833 |
12 | 1b791780059 |
13 | b676043767 |
14 | 5c96699673 |
15 | 3291977e70 |
hex | 1c687e6c45 |
122012200005 has 16 divisors (see below), whose sum is σ = 195227000064. Its totient is φ = 65070680000.
The previous prime is 122012200001. The next prime is 122012200019. The reversal of 122012200005 is 500002210221.
It is not a de Polignac number, because 122012200005 - 22 = 122012200001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122012200001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289807 + ... + 572723.
It is an arithmetic number, because the mean of its divisors is an integer number (12201687504).
Almost surely, 2122012200005 is an apocalyptic number.
122012200005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122012200005 is a deficient number, since it is larger than the sum of its proper divisors (73214800059).
122012200005 is a wasteful number, since it uses less digits than its factorization.
122012200005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311676.
The product of its (nonzero) digits is 80, while the sum is 15.
Adding to 122012200005 its reverse (500002210221), we get a palindrome (622014410226).
The spelling of 122012200005 in words is "one hundred twenty-two billion, twelve million, two hundred thousand, five".
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