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34358762888981 is a prime number
BaseRepresentation
bin1111100111111110001011…
…10110110101111100010101
311111122122222021001112121222
413303333011312311330111
514000413221244421411
6201024110415020125
710144224113551016
oct763770566657425
9144578867045558
1034358762888981
11aa47518a13183
123a2ab6020a645
13162302c4076bb
1486ad89c9100d
153e8b3c2794db
hex1f3fc5db5f15

34358762888981 has 2 divisors, whose sum is σ = 34358762888982. Its totient is φ = 34358762888980.

The previous prime is 34358762888971. The next prime is 34358762888987. The reversal of 34358762888981 is 18988826785343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32463033197956 + 1895729691025 = 5697634^2 + 1376855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34358762888981 is a prime.

It is a super-2 number, since 2×343587628889812 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34358762888896 and 34358762888905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34358762888987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17179381444490 + 17179381444491.

It is an arithmetic number, because the mean of its divisors is an integer number (17179381444491).

Almost surely, 234358762888981 is an apocalyptic number.

It is an amenable number.

34358762888981 is a deficient number, since it is larger than the sum of its proper divisors (1).

34358762888981 is an equidigital number, since it uses as much as digits as its factorization.

34358762888981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4459069440, while the sum is 80.

The spelling of 34358762888981 in words is "thirty-four trillion, three hundred fifty-eight billion, seven hundred sixty-two million, eight hundred eighty-eight thousand, nine hundred eighty-one".