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68871342119 is a prime number
BaseRepresentation
bin100000000100100001…
…1010100100000100111
320120202202120200022212
41000021003110200213
52112022030421434
651350011514035
74655460514616
oct1001103244047
9216682520285
1068871342119
1127232093768
1211420a5891b
136657671858
143494b7787d
151bd14b88ce
hex10090d4827

68871342119 has 2 divisors, whose sum is σ = 68871342120. Its totient is φ = 68871342118.

The previous prime is 68871342109. The next prime is 68871342161. The reversal of 68871342119 is 91124317886.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68871342119 - 24 = 68871342103 is a prime.

It is a super-2 number, since 2×688713421192 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68871342109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34435671059 + 34435671060.

It is an arithmetic number, because the mean of its divisors is an integer number (34435671060).

Almost surely, 268871342119 is an apocalyptic number.

68871342119 is a deficient number, since it is larger than the sum of its proper divisors (1).

68871342119 is an equidigital number, since it uses as much as digits as its factorization.

68871342119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 50.

The spelling of 68871342119 in words is "sixty-eight billion, eight hundred seventy-one million, three hundred forty-two thousand, one hundred nineteen".