| Base | Representation |
|---|---|
| bin | 1011111111111111… |
| … | …1100101110000000 |
| 3 | 22022111021112012100 |
| 4 | 2333333330232000 |
| 5 | 23044112241112 |
| 6 | 1251345430400 |
| 7 | 142552564503 |
| oct | 27777745600 |
| 9 | 8274245170 |
| 10 | 3221212032 |
| 11 | 1403321305 |
| 12 | 75a93b400 |
| 13 | 3c448782c |
| 14 | 227b4b13a |
| 15 | 13cbdd2dc |
| hex | bfffcb80 |
3221212032 has 96 divisors (see below), whose sum is σ = 9284652000. Its totient is φ = 1071968256.
The previous prime is 3221212019. The next prime is 3221212039. The reversal of 3221212032 is 2302121223.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 3221211996 and 3221212014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3221212039) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826344 + ... + 830232.
It is an arithmetic number, because the mean of its divisors is an integer number (96715125).
Almost surely, 23221212032 is an apocalyptic number.
3221212032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3221212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4642326000).
3221212032 is an abundant number, since it is smaller than the sum of its proper divisors (6063439968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3221212032 is a wasteful number, since it uses less digits than its factorization.
3221212032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4628 (or 4613 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 3221212032 is about 56755.7224603828. The cubic root of 3221212032 is about 1476.8615060069.
Adding to 3221212032 its reverse (2302121223), we get a palindrome (5523333255).
It can be divided in two parts, 32212 and 12032, that added together give a palindrome (44244).
The spelling of 3221212032 in words is "three billion, two hundred twenty-one million, two hundred twelve thousand, thirty-two".
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