Base | Representation |
---|---|
bin | 1000000100110001011… |
… | …0001010010000001101 |
3 | 111021001121211120002111 |
4 | 2001030112022100031 |
5 | 4233044234043203 |
6 | 143421011224021 |
7 | 13010415052216 |
oct | 2011426122015 |
9 | 437047746074 |
10 | 138719831053 |
11 | 53915801281 |
12 | 22a74ba8011 |
13 | 101095ab58b |
14 | 69dd5d040d |
15 | 391d64c26d |
hex | 204c58a40d |
138719831053 has 2 divisors, whose sum is σ = 138719831054. Its totient is φ = 138719831052.
The previous prime is 138719831039. The next prime is 138719831093. The reversal of 138719831053 is 350138917831.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 120938408644 + 17781422409 = 347762^2 + 133347^2 .
It is a cyclic number.
It is not a de Polignac number, because 138719831053 - 217 = 138719699981 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 138719830988 and 138719831006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (138719831093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69359915526 + 69359915527.
It is an arithmetic number, because the mean of its divisors is an integer number (69359915527).
Almost surely, 2138719831053 is an apocalyptic number.
It is an amenable number.
138719831053 is a deficient number, since it is larger than the sum of its proper divisors (1).
138719831053 is an equidigital number, since it uses as much as digits as its factorization.
138719831053 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 544320, while the sum is 49.
The spelling of 138719831053 in words is "one hundred thirty-eight billion, seven hundred nineteen million, eight hundred thirty-one thousand, fifty-three".
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