Base | Representation |
---|---|
bin | 100000010101001100… |
… | …0111000001100011101 |
3 | 20122012202000000202102 |
4 | 1000222120320030131 |
5 | 2114143221011222 |
6 | 51521311334445 |
7 | 5005361500103 |
oct | 1005230701435 |
9 | 218182000672 |
10 | 69430641437 |
11 | 27499872603 |
12 | 11558221425 |
13 | 67164b99b1 |
14 | 3509167c73 |
15 | 1c15646d92 |
hex | 102a63831d |
69430641437 has 2 divisors, whose sum is σ = 69430641438. Its totient is φ = 69430641436.
The previous prime is 69430641433. The next prime is 69430641481. The reversal of 69430641437 is 73414603496.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 55912858681 + 13517782756 = 236459^2 + 116266^2 .
It is a cyclic number.
It is not a de Polignac number, because 69430641437 - 22 = 69430641433 is a prime.
It is a super-2 number, since 2×694306414372 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 69430641391 and 69430641400.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (69430641433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34715320718 + 34715320719.
It is an arithmetic number, because the mean of its divisors is an integer number (34715320719).
Almost surely, 269430641437 is an apocalyptic number.
It is an amenable number.
69430641437 is a deficient number, since it is larger than the sum of its proper divisors (1).
69430641437 is an equidigital number, since it uses as much as digits as its factorization.
69430641437 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1306368, while the sum is 47.
The spelling of 69430641437 in words is "sixty-nine billion, four hundred thirty million, six hundred forty-one thousand, four hundred thirty-seven".
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