Base | Representation |
---|---|
bin | 1011111111110000… |
… | …1000100110100011 |
3 | 22022102101201120222 |
4 | 2333330020212203 |
5 | 23043333242011 |
6 | 1251312153255 |
7 | 142541231363 |
oct | 27774104643 |
9 | 8272351528 |
10 | 3220212131 |
11 | 14027a9044 |
12 | 75a53882b |
13 | 3c41c7686 |
14 | 22796a9a3 |
15 | 13ca91ddb |
hex | bff089a3 |
3220212131 has 8 divisors (see below), whose sum is σ = 3589091280. Its totient is φ = 2871272448.
The previous prime is 3220212101. The next prime is 3220212133. The reversal of 3220212131 is 1312120223.
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 3220212131 - 210 = 3220211107 is a prime.
It is a super-2 number, since 2×32202121312 = 20739532337279122322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3220212133) 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, 4984526 + ... + 4985171.
It is an arithmetic number, because the mean of its divisors is an integer number (448636410).
Almost surely, 23220212131 is an apocalyptic number.
3220212131 is a deficient number, since it is larger than the sum of its proper divisors (368879149).
3220212131 is a wasteful number, since it uses less digits than its factorization.
3220212131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9969733.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 3220212131 is about 56746.9129644953. The cubic root of 3220212131 is about 1476.7086786338.
Adding to 3220212131 its reverse (1312120223), we get a palindrome (4532332354).
The spelling of 3220212131 in words is "three billion, two hundred twenty million, two hundred twelve thousand, one hundred thirty-one".
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