Base | Representation |
---|---|
bin | 100000010101010001… |
… | …1010010101001111001 |
3 | 20122012221010201100212 |
4 | 1000222203102221321 |
5 | 2114144420340012 |
6 | 51521450040505 |
7 | 5005423626545 |
oct | 1005243225171 |
9 | 218187121325 |
10 | 69433371257 |
11 | 274a0367558 |
12 | 11559119135 |
13 | 6716c34383 |
14 | 3509678a25 |
15 | 1c159d5b22 |
hex | 102a8d2a79 |
69433371257 has 2 divisors, whose sum is σ = 69433371258. Its totient is φ = 69433371256.
The previous prime is 69433371233. The next prime is 69433371281. The reversal of 69433371257 is 75217333496.
It is a balanced prime because it is at equal distance from previous prime (69433371233) and next prime (69433371281).
It can be written as a sum of positive squares in only one way, i.e., 36016068841 + 33417302416 = 189779^2 + 182804^2 .
It is a cyclic number.
It is not a de Polignac number, because 69433371257 - 28 = 69433371001 is a prime.
It is a super-2 number, since 2×694333712572 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (69433871257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34716685628 + 34716685629.
It is an arithmetic number, because the mean of its divisors is an integer number (34716685629).
Almost surely, 269433371257 is an apocalyptic number.
It is an amenable number.
69433371257 is a deficient number, since it is larger than the sum of its proper divisors (1).
69433371257 is an equidigital number, since it uses as much as digits as its factorization.
69433371257 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2857680, while the sum is 50.
The spelling of 69433371257 in words is "sixty-nine billion, four hundred thirty-three million, three hundred seventy-one thousand, two hundred fifty-seven".
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