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117284400719 = 129971902389
BaseRepresentation
bin110110100111010110…
…0011110111001001111
3102012201202021212121022
41231032230132321033
53410144301310334
6125514003424355
711321262646223
oct1551654367117
9365652255538
10117284400719
1145815a941a2
121a8923850bb
13b0a16cb5a5
145968812783
1530b688d82e
hex1b4eb1ee4f

117284400719 has 4 divisors (see below), whose sum is σ = 117285433080. Its totient is φ = 117283368360.

The previous prime is 117284400689. The next prime is 117284400757. The reversal of 117284400719 is 917004482711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 917004482711 = 5931546381927.

It is a cyclic number.

It is not a de Polignac number, because 117284400719 - 28 = 117284400463 is a prime.

It is a super-2 number, since 2×1172844007192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117284400719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117284400019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321224 + ... + 581165.

It is an arithmetic number, because the mean of its divisors is an integer number (29321358270).

Almost surely, 2117284400719 is an apocalyptic number.

117284400719 is a deficient number, since it is larger than the sum of its proper divisors (1032361).

117284400719 is an equidigital number, since it uses as much as digits as its factorization.

117284400719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032360.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 117284400719 in words is "one hundred seventeen billion, two hundred eighty-four million, four hundred thousand, seven hundred nineteen".

Divisors: 1 129971 902389 117284400719