Base | Representation |
---|---|
bin | 111100111011110… |
… | …100001011111101 |
3 | 2122020122220002100 |
4 | 330323310023331 |
5 | 4043203010323 |
6 | 245235415313 |
7 | 34222342665 |
oct | 7473641375 |
9 | 2566586070 |
10 | 1022313213 |
11 | 485084059 |
12 | 246454539 |
13 | 133a5047c |
14 | 99ab91a5 |
15 | 5eb3c943 |
hex | 3cef42fd |
1022313213 has 48 divisors (see below), whose sum is σ = 1539008640. Its totient is φ = 653616000.
The previous prime is 1022313209. The next prime is 1022313217. The reversal of 1022313213 is 3123132201.
It is an interprime number because it is at equal distance from previous prime (1022313209) and next prime (1022313217).
It is not a de Polignac number, because 1022313213 - 22 = 1022313209 is a prime.
It is a super-3 number, since 3×10223132133 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1022313217) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5711158 + ... + 5711336.
It is an arithmetic number, because the mean of its divisors is an integer number (32062680).
Almost surely, 21022313213 is an apocalyptic number.
It is an amenable number.
1022313213 is a deficient number, since it is larger than the sum of its proper divisors (516695427).
1022313213 is a wasteful number, since it uses less digits than its factorization.
1022313213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450 (or 447 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 1022313213 is about 31973.6330904075. The cubic root of 1022313213 is about 1007.3830934468.
Adding to 1022313213 its reverse (3123132201), we get a palindrome (4145445414).
It can be divided in two parts, 10223 and 13213, that added together give a triangular number (23436 = T216).
The spelling of 1022313213 in words is "one billion, twenty-two million, three hundred thirteen thousand, two hundred thirteen".
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