Base | Representation |
---|---|
bin | 100100101110010… |
… | …0011101101111101 |
3 | 10011212122102022122 |
4 | 1021130203231331 |
5 | 10010422114401 |
6 | 322134452325 |
7 | 42351503114 |
oct | 11134435575 |
9 | 3155572278 |
10 | 1232223101 |
11 | 5826154aa |
12 | 2a48040a5 |
13 | 1683972c5 |
14 | b991ac7b |
15 | 732a321b |
hex | 49723b7d |
1232223101 has 8 divisors (see below), whose sum is σ = 1237072824. Its totient is φ = 1227381760.
The previous prime is 1232223089. The next prime is 1232223103. The reversal of 1232223101 is 1013222321.
It can be written as a sum of positive squares in 4 ways, for example, as 22992025 + 1209231076 = 4795^2 + 34774^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1232223101 - 26 = 1232223037 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1232223101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1232223103) 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, 521615 + ... + 523971.
It is an arithmetic number, because the mean of its divisors is an integer number (154634103).
Almost surely, 21232223101 is an apocalyptic number.
It is an amenable number.
1232223101 is a deficient number, since it is larger than the sum of its proper divisors (4849723).
1232223101 is a wasteful number, since it uses less digits than its factorization.
1232223101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4191.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1232223101 is about 35103.0354955237. The cubic root of 1232223101 is about 1072.0863885442.
Adding to 1232223101 its reverse (1013222321), we get a palindrome (2245445422).
The spelling of 1232223101 in words is "one billion, two hundred thirty-two million, two hundred twenty-three thousand, one hundred one".
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