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1117334981 = 71071491769
BaseRepresentation
bin100001010011001…
…0010110111000101
32212212110111110002
41002212102313011
54242014204411
6302512211045
736455122250
oct10246226705
92785414402
101117334981
11523785344
12272239a85
1314a640079
14a8572097
156815c33b
hex42992dc5

1117334981 has 8 divisors (see below), whose sum is σ = 1288889280. Its totient is φ = 948764448.

The previous prime is 1117334971. The next prime is 1117334983. The reversal of 1117334981 is 1894337111.

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 1117334981 - 230 = 43593157 is a prime.

It is a super-2 number, since 2×11173349812 = 2496874919532540722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117334983) 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, 745136 + ... + 746633.

It is an arithmetic number, because the mean of its divisors is an integer number (161111160).

Almost surely, 21117334981 is an apocalyptic number.

It is an amenable number.

1117334981 is a deficient number, since it is larger than the sum of its proper divisors (171554299).

1117334981 is a wasteful number, since it uses less digits than its factorization.

1117334981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491883.

The product of its digits is 18144, while the sum is 38.

The square root of 1117334981 is about 33426.5610106693. The cubic root of 1117334981 is about 1037.6744700249.

The spelling of 1117334981 in words is "one billion, one hundred seventeen million, three hundred thirty-four thousand, nine hundred eighty-one".

Divisors: 1 7 107 749 1491769 10442383 159619283 1117334981