Search a number
-
+
1101193285 = 5229795881
BaseRepresentation
bin100000110100010…
…1110000001000101
32211202002102012111
41001220232001011
54223401141120
6301134221021
736200663023
oct10150560105
92752072174
101101193285
1151565a8a5
12268954771
131471aab7a
14a636d713
1566a1e75a
hex41a2e045

1101193285 has 8 divisors (see below), whose sum is σ = 1322021016. Its totient is φ = 880561920.

The previous prime is 1101193283. The next prime is 1101193391. The reversal of 1101193285 is 5823911011.

It can be written as a sum of positive squares in 4 ways, for example, as 387341761 + 713851524 = 19681^2 + 26718^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101193285 - 21 = 1101193283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101193283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36456 + ... + 59425.

It is an arithmetic number, because the mean of its divisors is an integer number (165252627).

Almost surely, 21101193285 is an apocalyptic number.

It is an amenable number.

1101193285 is a deficient number, since it is larger than the sum of its proper divisors (220827731).

1101193285 is an equidigital number, since it uses as much as digits as its factorization.

1101193285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98183.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1101193285 is about 33184.2324756804. The cubic root of 1101193285 is about 1032.6532546150.

The spelling of 1101193285 in words is "one billion, one hundred one million, one hundred ninety-three thousand, two hundred eighty-five".

Divisors: 1 5 2297 11485 95881 479405 220238657 1101193285