Base | Representation |
---|---|
bin | 1110010011100011111011… |
… | …10111110000011001011101 |
3 | 11010101101202121220012201011 |
4 | 13021301331313300121131 |
5 | 13110403402233302221 |
6 | 150523451412215221 |
7 | 6424540526046043 |
oct | 711617567603135 |
9 | 133341677805634 |
10 | 31458452244061 |
11 | a029500198467 |
12 | 3640a3800a511 |
13 | 1472699c3018b |
14 | 7aa850a74393 |
15 | 39848e85c1e1 |
hex | 1c9c7ddf065d |
31458452244061 has 2 divisors, whose sum is σ = 31458452244062. Its totient is φ = 31458452244060.
The previous prime is 31458452244049. The next prime is 31458452244101. The reversal of 31458452244061 is 16044225485413.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 31429691475961 + 28760768100 = 5606219^2 + 169590^2 .
It is a cyclic number.
It is not a de Polignac number, because 31458452244061 - 213 = 31458452235869 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31458452243996 and 31458452244014.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31458452248061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15729226122030 + 15729226122031.
It is an arithmetic number, because the mean of its divisors is an integer number (15729226122031).
Almost surely, 231458452244061 is an apocalyptic number.
It is an amenable number.
31458452244061 is a deficient number, since it is larger than the sum of its proper divisors (1).
31458452244061 is an equidigital number, since it uses as much as digits as its factorization.
31458452244061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3686400, while the sum is 49.
The spelling of 31458452244061 in words is "thirty-one trillion, four hundred fifty-eight billion, four hundred fifty-two million, two hundred forty-four thousand, sixty-one".
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