Base | Representation |
---|---|
bin | 1011010001101111000… |
… | …0000100010111001100 |
3 | 200112002000022201102020 |
4 | 2310123300010113030 |
5 | 11133234203121212 |
6 | 225000313330140 |
7 | 16666015203600 |
oct | 2643360042714 |
9 | 615060281366 |
10 | 193739113932 |
11 | 751897518a1 |
12 | 3166aa06950 |
13 | 1536719ba70 |
14 | 953c7a1500 |
15 | 508d9a6d8c |
hex | 2d1bc045cc |
193739113932 has 144 divisors (see below), whose sum is σ = 566608089600. Its totient is φ = 51069529728.
The previous prime is 193739113921. The next prime is 193739113933. The reversal of 193739113932 is 239311937391.
It is not an unprimeable number, because it can be changed into a prime (193739113933) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17935069 + ... + 17945867.
It is an arithmetic number, because the mean of its divisors is an integer number (3934778400).
Almost surely, 2193739113932 is an apocalyptic number.
193739113932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 193739113932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283304044800).
193739113932 is an abundant number, since it is smaller than the sum of its proper divisors (372868975668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193739113932 is a wasteful number, since it uses less digits than its factorization.
193739113932 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13180 (or 13171 counting only the distinct ones).
The product of its digits is 826686, while the sum is 51.
The spelling of 193739113932 in words is "one hundred ninety-three billion, seven hundred thirty-nine million, one hundred thirteen thousand, nine hundred thirty-two".
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