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8697250069 is a prime number
BaseRepresentation
bin10000001100110010…
…11000000100010101
3211110010102002011221
420012121120010111
5120302444000234
63555004130341
7425345256124
oct100631300425
924403362157
108697250069
113763409782
1218288369b1
13a87b2b921
145c7127abb
1535d827eb4
hex206658115

8697250069 has 2 divisors, whose sum is σ = 8697250070. Its totient is φ = 8697250068.

The previous prime is 8697250033. The next prime is 8697250109. The reversal of 8697250069 is 9600527968.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4480695844 + 4216554225 = 66938^2 + 64935^2 .

It is a cyclic number.

It is not a de Polignac number, because 8697250069 - 29 = 8697249557 is a prime.

It is a super-2 number, since 2×86972500692 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8697249998 and 8697250025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8697259069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4348625034 + 4348625035.

It is an arithmetic number, because the mean of its divisors is an integer number (4348625035).

Almost surely, 28697250069 is an apocalyptic number.

It is an amenable number.

8697250069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8697250069 is an equidigital number, since it uses as much as digits as its factorization.

8697250069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 8697250069 is about 93259.0481883662. The cubic root of 8697250069 is about 2056.4933956345.

The spelling of 8697250069 in words is "eight billion, six hundred ninety-seven million, two hundred fifty thousand, sixty-nine".