Base | Representation |
---|---|
bin | 100100010101001… |
… | …0001011111010000 |
3 | 10010221211201012021 |
4 | 1020222101133100 |
5 | 4444033304412 |
6 | 320544141224 |
7 | 42131452033 |
oct | 11052213720 |
9 | 3127751167 |
10 | 1219041232 |
11 | 5761317a2 |
12 | 2a0307814 |
13 | 165730396 |
14 | b7c8901a |
15 | 7204c607 |
hex | 48a917d0 |
1219041232 has 20 divisors (see below), whose sum is σ = 2364463620. Its totient is φ = 608857088.
The previous prime is 1219041223. The next prime is 1219041283. The reversal of 1219041232 is 2321409121.
It can be written as a sum of positive squares in 2 ways, for example, as 6330256 + 1212710976 = 2516^2 + 34824^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1219041197 and 1219041206.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26143 + ... + 55870.
It is an arithmetic number, because the mean of its divisors is an integer number (118223181).
Almost surely, 21219041232 is an apocalyptic number.
It is an amenable number.
1219041232 is a deficient number, since it is larger than the sum of its proper divisors (1145422388).
1219041232 is an equidigital number, since it uses as much as digits as its factorization.
1219041232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82950 (or 82944 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 1219041232 is about 34914.7709716103. The cubic root of 1219041232 is about 1068.2497463787.
The spelling of 1219041232 in words is "one billion, two hundred nineteen million, forty-one thousand, two hundred thirty-two".
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