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117788073 = 31319715331
BaseRepresentation
bin1110000010101…
…00110110101001
322012122020212020
413001110312221
5220123204243
615404335053
72630116314
oct701246651
9265566766
10117788073
1160540a17
1233544489
131b5311b0
141190197b
15a51a283
hex7054da9

117788073 has 16 divisors (see below), whose sum is σ = 170001216. Its totient is φ = 72112320.

The previous prime is 117788071. The next prime is 117788081. The reversal of 117788073 is 370887711.

It is not a de Polignac number, because 117788073 - 21 = 117788071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117788071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18 + ... + 15348.

It is an arithmetic number, because the mean of its divisors is an integer number (10625076).

Almost surely, 2117788073 is an apocalyptic number.

117788073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

117788073 is a deficient number, since it is larger than the sum of its proper divisors (52213143).

117788073 is a wasteful number, since it uses less digits than its factorization.

117788073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15544.

The product of its (nonzero) digits is 65856, while the sum is 42.

The square root of 117788073 is about 10853.0213765569. The cubic root of 117788073 is about 490.1930004672.

The spelling of 117788073 in words is "one hundred seventeen million, seven hundred eighty-eight thousand, seventy-three".

Divisors: 1 3 13 39 197 591 2561 7683 15331 45993 199303 597909 3020207 9060621 39262691 117788073