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117284899 is a prime number
BaseRepresentation
bin1101111110110…
…10000000100011
322011200200122011
412333122000203
5220011104044
615345453351
72622622324
oct677320043
9264620564
10117284899
1160227976
1233341257
131b3b6164
141181044b
15a46b134
hex6fda023

117284899 has 2 divisors, whose sum is σ = 117284900. Its totient is φ = 117284898.

The previous prime is 117284897. The next prime is 117284911. The reversal of 117284899 is 998482711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117284899 - 21 = 117284897 is a prime.

Together with 117284897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117284897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58642449 + 58642450.

It is an arithmetic number, because the mean of its divisors is an integer number (58642450).

Almost surely, 2117284899 is an apocalyptic number.

117284899 is a deficient number, since it is larger than the sum of its proper divisors (1).

117284899 is an equidigital number, since it uses as much as digits as its factorization.

117284899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 49.

The square root of 117284899 is about 10829.8152800498. The cubic root of 117284899 is about 489.4939924273.

The spelling of 117284899 in words is "one hundred seventeen million, two hundred eighty-four thousand, eight hundred ninety-nine".