Base | Representation |
---|---|
bin | 100000000100100001… |
… | …1010100100000100111 |
3 | 20120202202120200022212 |
4 | 1000021003110200213 |
5 | 2112022030421434 |
6 | 51350011514035 |
7 | 4655460514616 |
oct | 1001103244047 |
9 | 216682520285 |
10 | 68871342119 |
11 | 27232093768 |
12 | 11420a5891b |
13 | 6657671858 |
14 | 3494b7787d |
15 | 1bd14b88ce |
hex | 10090d4827 |
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".
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