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69814850993 is a prime number
BaseRepresentation
bin100000100000101001…
…0100001010110110001
320200012111221220011222
41001001102201112301
52120440100212433
652023354314425
75021035304426
oct1010122412661
9220174856158
1069814850993
1127676732968
1211644a28a15
136777c8cc24
1435441bbd4d
151c3923bb98
hex10414a15b1

69814850993 has 2 divisors, whose sum is σ = 69814850994. Its totient is φ = 69814850992.

The previous prime is 69814850957. The next prime is 69814850999. The reversal of 69814850993 is 39905841896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67417083904 + 2397767089 = 259648^2 + 48967^2 .

It is a cyclic number.

It is not a de Polignac number, because 69814850993 - 212 = 69814846897 is a prime.

It is a super-2 number, since 2×698148509932 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69814850999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34907425496 + 34907425497.

It is an arithmetic number, because the mean of its divisors is an integer number (34907425497).

Almost surely, 269814850993 is an apocalyptic number.

It is an amenable number.

69814850993 is a deficient number, since it is larger than the sum of its proper divisors (1).

69814850993 is an equidigital number, since it uses as much as digits as its factorization.

69814850993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 69814850993 in words is "sixty-nine billion, eight hundred fourteen million, eight hundred fifty thousand, nine hundred ninety-three".