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117912443 = 1121039461
BaseRepresentation
bin1110000011100…
…11001101111011
322012212120110112
413001303031323
5220141144233
615411134535
72631145025
oct701631573
9265776415
10117912443
1160616400
12335a444b
131b57599c
1411935015
15a542048
hex707337b

117912443 has 12 divisors (see below), whose sum is σ = 130878384. Its totient is φ = 106141200.

The previous prime is 117912419. The next prime is 117912479. The reversal of 117912443 is 344219711.

It is not a de Polignac number, because 117912443 - 212 = 117908347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117912343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7733 + ... + 17193.

It is an arithmetic number, because the mean of its divisors is an integer number (10906532).

Almost surely, 2117912443 is an apocalyptic number.

117912443 is a deficient number, since it is larger than the sum of its proper divisors (12965941).

117912443 is a wasteful number, since it uses less digits than its factorization.

117912443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586 (or 9575 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 117912443 is about 10858.7496057327. The cubic root of 117912443 is about 490.3654680104.

The spelling of 117912443 in words is "one hundred seventeen million, nine hundred twelve thousand, four hundred forty-three".

Divisors: 1 11 103 121 1133 9461 12463 104071 974483 1144781 10719313 117912443