Base | Representation |
---|---|
bin | 100001100101101011… |
… | …1101010110101100111 |
3 | 20220011222001122022201 |
4 | 1003023113222311213 |
5 | 2140211123100414 |
6 | 53045311235331 |
7 | 5132325156064 |
oct | 1031327526547 |
9 | 226158048281 |
10 | 72131456359 |
11 | 28655365856 |
12 | 11b90818b47 |
13 | 6a56bca331 |
14 | 36c3b2dc6b |
15 | 1d227dd574 |
hex | 10cb5ead67 |
72131456359 has 2 divisors, whose sum is σ = 72131456360. Its totient is φ = 72131456358.
The previous prime is 72131456291. The next prime is 72131456381. The reversal of 72131456359 is 95365413127.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 72131456359 - 213 = 72131448167 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72131456659) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36065728179 + 36065728180.
It is an arithmetic number, because the mean of its divisors is an integer number (36065728180).
Almost surely, 272131456359 is an apocalyptic number.
72131456359 is a deficient number, since it is larger than the sum of its proper divisors (1).
72131456359 is an equidigital number, since it uses as much as digits as its factorization.
72131456359 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 680400, while the sum is 46.
The spelling of 72131456359 in words is "seventy-two billion, one hundred thirty-one million, four hundred fifty-six thousand, three hundred fifty-nine".
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