Base | Representation |
---|---|
bin | 111000110110000010… |
… | …0100000001100110001 |
3 | 102200002102101111002202 |
4 | 1301230010200030301 |
5 | 4000000441012311 |
6 | 132025034552545 |
7 | 11551030420502 |
oct | 1615404401461 |
9 | 380072344082 |
10 | 122072204081 |
11 | 47852638783 |
12 | 1b7a9898755 |
13 | b6855c2529 |
14 | 5ca0638ba9 |
15 | 3296d7be3b |
hex | 1c6c120331 |
122072204081 has 4 divisors (see below), whose sum is σ = 124911092592. Its totient is φ = 119233315572.
The previous prime is 122072204047. The next prime is 122072204123. The reversal of 122072204081 is 180402270221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180402270221 = 37 ⋅4875737033.
It is not a de Polignac number, because 122072204081 - 214 = 122072187697 is a prime.
It is a super-2 number, since 2×1220722040812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122072204041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419444191 + ... + 1419444276.
It is an arithmetic number, because the mean of its divisors is an integer number (31227773148).
Almost surely, 2122072204081 is an apocalyptic number.
It is an amenable number.
122072204081 is a deficient number, since it is larger than the sum of its proper divisors (2838888511).
122072204081 is an equidigital number, since it uses as much as digits as its factorization.
122072204081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2838888510.
The product of its (nonzero) digits is 3584, while the sum is 29.
The spelling of 122072204081 in words is "one hundred twenty-two billion, seventy-two million, two hundred four thousand, eighty-one".
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