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117542711 = 11132531193
BaseRepresentation
bin1110000000110…
…00111100110111
322012011210021202
413000120330313
5220042331321
615355203115
72625045056
oct700307467
9265153252
10117542711
1160393640
123344649b
131b476600
141187a39d
15a4bc70b
hex7018f37

117542711 has 24 divisors (see below), whose sum is σ = 141589296. Its totient is φ = 96695040.

The previous prime is 117542699. The next prime is 117542717. The reversal of 117542711 is 117245711.

It is not a de Polignac number, because 117542711 - 26 = 117542647 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 (117542717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97931 + ... + 99123.

It is an arithmetic number, because the mean of its divisors is an integer number (5899554).

Almost surely, 2117542711 is an apocalyptic number.

117542711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117542711 is a deficient number, since it is larger than the sum of its proper divisors (24046585).

117542711 is a wasteful number, since it uses less digits than its factorization.

117542711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1270 counting only the distinct ones).

The product of its digits is 1960, while the sum is 29.

The square root of 117542711 is about 10841.7116268604. The cubic root of 117542711 is about 489.8523934129.

The spelling of 117542711 in words is "one hundred seventeen million, five hundred forty-two thousand, seven hundred eleven".

Divisors: 1 11 13 53 143 169 583 689 1193 1859 7579 8957 13123 15509 63229 98527 170599 201617 695519 821977 2217787 9041747 10685701 117542711