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1117242007 = 7159606001
BaseRepresentation
bin100001010010111…
…1100001010010111
32212212021202220121
41002211330022113
54242003221012
6302510212411
736454254220
oct10245741227
92785252817
101117242007
11523721502
122721b4107
1314a60995b
14a854a247
156813ea07
hex4297c297

1117242007 has 4 divisors (see below), whose sum is σ = 1276848016. Its totient is φ = 957636000.

The previous prime is 1117241999. The next prime is 1117242031. The reversal of 1117242007 is 7002427111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1117242007 - 23 = 1117241999 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 (1117242037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79802994 + ... + 79803007.

It is an arithmetic number, because the mean of its divisors is an integer number (319212004).

Almost surely, 21117242007 is an apocalyptic number.

1117242007 is a deficient number, since it is larger than the sum of its proper divisors (159606009).

1117242007 is an equidigital number, since it uses as much as digits as its factorization.

1117242007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159606008.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 1117242007 is about 33425.1702613465. The cubic root of 1117242007 is about 1037.6456874235.

Adding to 1117242007 its reverse (7002427111), we get a palindrome (8119669118).

The spelling of 1117242007 in words is "one billion, one hundred seventeen million, two hundred forty-two thousand, seven".

Divisors: 1 7 159606001 1117242007