Base | Representation |
---|---|
bin | 100111000110011… |
… | …1101111000000111 |
3 | 10101102210121212021 |
4 | 1032030331320013 |
5 | 10141334201043 |
6 | 334105104011 |
7 | 44341001044 |
oct | 11614757007 |
9 | 3342717767 |
10 | 1312022023 |
11 | 613669624 |
12 | 307488007 |
13 | 17ba86cc0 |
14 | c63701cb |
15 | 7a2b73ed |
hex | 4e33de07 |
1312022023 has 8 divisors (see below), whose sum is σ = 1415978928. Its totient is φ = 1208498304.
The previous prime is 1312021979. The next prime is 1312022027. The reversal of 1312022023 is 3202202131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1312022023 - 29 = 1312021511 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1312021988 and 1312022006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312022027) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 101986 + ... + 114127.
It is an arithmetic number, because the mean of its divisors is an integer number (176997366).
Almost surely, 21312022023 is an apocalyptic number.
1312022023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1312022023 is a deficient number, since it is larger than the sum of its proper divisors (103956905).
1312022023 is a wasteful number, since it uses less digits than its factorization.
1312022023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216593.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1312022023 is about 36221.8445554613. The cubic root of 1312022023 is about 1094.7468603002.
Adding to 1312022023 its reverse (3202202131), we get a palindrome (4514224154).
It can be divided in two parts, 131202 and 2023, that added together give a square (133225 = 3652).
The spelling of 1312022023 in words is "one billion, three hundred twelve million, twenty-two thousand, twenty-three".
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