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1081334047 = 7146133037
BaseRepresentation
bin100000001110011…
…1101100100011111
32210100201110110011
41000130331210133
54203310142142
6255144424051
735540121253
oct10034754437
92710643404
101081334047
11505426302
12262178027
13143046841
14a3880263
1564dea417
hex4073d91f

1081334047 has 8 divisors (see below), whose sum is σ = 1098976032. Its totient is φ = 1063759200.

The previous prime is 1081334027. The next prime is 1081334053. The reversal of 1081334047 is 7404331801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1081334047 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 (1081334027) 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, 16213 + ... + 49249.

It is an arithmetic number, because the mean of its divisors is an integer number (137372004).

Almost surely, 21081334047 is an apocalyptic number.

1081334047 is a deficient number, since it is larger than the sum of its proper divisors (17641985).

1081334047 is an equidigital number, since it uses as much as digits as its factorization.

1081334047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33569.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1081334047 is about 32883.6440650972. The cubic root of 1081334047 is about 1026.4078364621.

Adding to 1081334047 its reverse (7404331801), we get a palindrome (8485665848).

The spelling of 1081334047 in words is "one billion, eighty-one million, three hundred thirty-four thousand, forty-seven".

Divisors: 1 71 461 32731 33037 2345627 15230057 1081334047