Base | Representation |
---|---|
bin | 100000010101111010… |
… | …1011001101101100001 |
3 | 20122021102122021201102 |
4 | 1000223311121231201 |
5 | 2114220423132334 |
6 | 51523535244145 |
7 | 5006104606034 |
oct | 1005365315541 |
9 | 218242567642 |
10 | 69454895969 |
11 | 27501529378 |
12 | 11564379655 |
13 | 671b52c7a4 |
14 | 350c47d01b |
15 | 1c1783867e |
hex | 102bd59b61 |
69454895969 has 2 divisors, whose sum is σ = 69454895970. Its totient is φ = 69454895968.
The previous prime is 69454895933. The next prime is 69454896019. The reversal of 69454895969 is 96959845496.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 50833564369 + 18621331600 = 225463^2 + 136460^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69454895969 is a prime.
It is a super-2 number, since 2×694548959692 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 69454895896 and 69454895905.
It is not a weakly prime, because it can be changed into another prime (69454895369) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34727447984 + 34727447985.
It is an arithmetic number, because the mean of its divisors is an integer number (34727447985).
Almost surely, 269454895969 is an apocalyptic number.
It is an amenable number.
69454895969 is a deficient number, since it is larger than the sum of its proper divisors (1).
69454895969 is an equidigital number, since it uses as much as digits as its factorization.
69454895969 is an evil number, because the sum of its binary digits is even.
The product of its digits is 755827200, while the sum is 74.
The spelling of 69454895969 in words is "sixty-nine billion, four hundred fifty-four million, eight hundred ninety-five thousand, nine hundred sixty-nine".
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