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117845287994 = 278417520571
BaseRepresentation
bin110110111000000100…
…0000110010000111010
3102021011211200220022002
41231300020012100322
53412321343203434
6130045401301002
711341213264130
oct1556010062072
9367154626262
10117845287994
1145a836580a5
121aa0a194762
13b160981455
1459bd0d7750
1530eac3257e
hex1b7020643a

117845287994 has 8 divisors (see below), whose sum is σ = 202020493728. Its totient is φ = 50505123420.

The previous prime is 117845287961. The next prime is 117845288003. The reversal of 117845287994 is 499782548711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1178452879943 (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117845287994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208760272 + ... + 4208760299.

It is an arithmetic number, because the mean of its divisors is an integer number (25252561716).

Almost surely, 2117845287994 is an apocalyptic number.

117845287994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117845287994 is a deficient number, since it is larger than the sum of its proper divisors (84175205734).

117845287994 is an equidigital number, since it uses as much as digits as its factorization.

117845287994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417520580.

The product of its digits is 40642560, while the sum is 65.

The spelling of 117845287994 in words is "one hundred seventeen billion, eight hundred forty-five million, two hundred eighty-seven thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 8417520571 16835041142 58922643997 117845287994