Base | Representation |
---|---|
bin | 100110101010100001… |
… | …1011011111101011010 |
3 | 21221022121010020202122 |
4 | 1031111003123331122 |
5 | 2330022010433223 |
6 | 102051041501242 |
7 | 5666410525055 |
oct | 1152503337532 |
9 | 257277106678 |
10 | 83031342938 |
11 | 32239034985 |
12 | 14113041822 |
13 | 7aa317166b |
14 | 40395bda9c |
15 | 225e6a45c8 |
hex | 13550dbf5a |
83031342938 has 4 divisors (see below), whose sum is σ = 124547014410. Its totient is φ = 41515671468.
The previous prime is 83031342937. The next prime is 83031342983. The reversal of 83031342938 is 83924313038.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 68453919769 + 14577423169 = 261637^2 + 120737^2 .
It is not an unprimeable number, because it can be changed into a prime (83031342937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20757835733 + ... + 20757835736.
Almost surely, 283031342938 is an apocalyptic number.
83031342938 is a deficient number, since it is larger than the sum of its proper divisors (41515671472).
83031342938 is a wasteful number, since it uses less digits than its factorization.
83031342938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41515671471.
The product of its (nonzero) digits is 373248, while the sum is 44.
The spelling of 83031342938 in words is "eighty-three billion, thirty-one million, three hundred forty-two thousand, nine hundred thirty-eight".
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