Search a number
-
+
1041812321 = 11149635639
BaseRepresentation
bin111110000110001…
…100101101100001
32200121100112211112
4332012030231201
54113200443241
6251213353105
734550154464
oct7606145541
92617315745
101041812321
11495092020
12250a98795
13137ab98c4
149c5132db
15616e01eb
hex3e18cb61

1041812321 has 8 divisors (see below), whose sum is σ = 1144152000. Its totient is φ = 940744240.

The previous prime is 1041812297. The next prime is 1041812329. The reversal of 1041812321 is 1232181401.

1041812321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1041812321 - 218 = 1041550177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1041812329) 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, 316181 + ... + 319458.

It is an arithmetic number, because the mean of its divisors is an integer number (143019000).

Almost surely, 21041812321 is an apocalyptic number.

1041812321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1041812321 is a deficient number, since it is larger than the sum of its proper divisors (102339679).

1041812321 is a wasteful number, since it uses less digits than its factorization.

1041812321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635799.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1041812321 is about 32277.1176067505. The cubic root of 1041812321 is about 1013.7475783443.

Adding to 1041812321 its reverse (1232181401), we get a palindrome (2273993722).

The spelling of 1041812321 in words is "one billion, forty-one million, eight hundred twelve thousand, three hundred twenty-one".

Divisors: 1 11 149 1639 635639 6992029 94710211 1041812321