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117230293391 = 311376946281
BaseRepresentation
bin110110100101101111…
…0000101000110001111
3102012120222110221022012
41231023132011012033
53410041423342031
6125504352011435
711320035024011
oct1551336050617
9365528427265
10117230293391
11457984985a2
121a878230b7b
13b093435813
14596156a1b1
1530b1c51b2b
hex1b4b78518f

117230293391 has 4 divisors (see below), whose sum is σ = 117607239984. Its totient is φ = 116853346800.

The previous prime is 117230293381. The next prime is 117230293441. The reversal of 117230293391 is 193392032711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193392032711 = 1475913103329.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117230293391 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 (117230293321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188472830 + ... + 188473451.

It is an arithmetic number, because the mean of its divisors is an integer number (29401809996).

Almost surely, 2117230293391 is an apocalyptic number.

117230293391 is a deficient number, since it is larger than the sum of its proper divisors (376946593).

117230293391 is an equidigital number, since it uses as much as digits as its factorization.

117230293391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376946592.

The product of its (nonzero) digits is 61236, while the sum is 41.

The spelling of 117230293391 in words is "one hundred seventeen billion, two hundred thirty million, two hundred ninety-three thousand, three hundred ninety-one".

Divisors: 1 311 376946281 117230293391