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113805179423 = 1317514955563
BaseRepresentation
bin110100111111101010…
…0010011101000011111
3101212202021112010020022
41221333110103220133
53331033111220143
6124140435542355
711136125031005
oct1517724235037
9355667463208
10113805179423
11442a00697a1
121a08115a9bb
13a968958970
145718702a75
152e611d8268
hex1a7f513a1f

113805179423 has 8 divisors (see below), whose sum is σ = 129768802128. Its totient is φ = 98871467904.

The previous prime is 113805179413. The next prime is 113805179429. The reversal of 113805179423 is 324971508311.

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

It is a cyclic number.

It is not a de Polignac number, because 113805179423 - 24 = 113805179407 is a prime.

It is a super-2 number, since 2×1138051794232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113805179429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257477561 + ... + 257478002.

It is an arithmetic number, because the mean of its divisors is an integer number (16221100266).

Almost surely, 2113805179423 is an apocalyptic number.

113805179423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113805179423 is a deficient number, since it is larger than the sum of its proper divisors (15963622705).

113805179423 is a wasteful number, since it uses less digits than its factorization.

113805179423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514955593.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 113805179423 in words is "one hundred thirteen billion, eight hundred five million, one hundred seventy-nine thousand, four hundred twenty-three".

Divisors: 1 13 17 221 514955563 6694422319 8754244571 113805179423