Base | Representation |
---|---|
bin | 11101001111010111… |
… | …010111010110011001 |
3 | 10000001001200002112002 |
4 | 131033113113112121 |
5 | 1003244422433324 |
6 | 22231231330345 |
7 | 2161013053634 |
oct | 351727272631 |
9 | 100031602462 |
10 | 31396296089 |
11 | 12351432a44 |
12 | 61026809b5 |
13 | 2c647479c2 |
14 | 173ba74c1b |
15 | c3b4db3ae |
hex | 74f5d7599 |
31396296089 has 2 divisors, whose sum is σ = 31396296090. Its totient is φ = 31396296088.
The previous prime is 31396296077. The next prime is 31396296101. The reversal of 31396296089 is 98069269313.
It is a balanced prime because it is at equal distance from previous prime (31396296077) and next prime (31396296101).
It can be written as a sum of positive squares in only one way, i.e., 28117588489 + 3278707600 = 167683^2 + 57260^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31396296089 is a prime.
It is not a weakly prime, because it can be changed into another prime (31396296689) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15698148044 + 15698148045.
It is an arithmetic number, because the mean of its divisors is an integer number (15698148045).
Almost surely, 231396296089 is an apocalyptic number.
It is an amenable number.
31396296089 is a deficient number, since it is larger than the sum of its proper divisors (1).
31396296089 is an equidigital number, since it uses as much as digits as its factorization.
31396296089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3779136, while the sum is 56.
The spelling of 31396296089 in words is "thirty-one billion, three hundred ninety-six million, two hundred ninety-six thousand, eighty-nine".
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