Base | Representation |
---|---|
bin | 111111111111001001… |
… | …111011101001101111 |
3 | 20120100012011000200110 |
4 | 333333021323221233 |
5 | 2111202024200101 |
6 | 51321321031103 |
7 | 4651403304162 |
oct | 777711735157 |
9 | 216305130613 |
10 | 68705303151 |
11 | 27157397181 |
12 | 11395325493 |
13 | 662c148444 |
14 | 347aab5ad9 |
15 | 1bc1b1bcd6 |
hex | fff27ba6f |
68705303151 has 4 divisors (see below), whose sum is σ = 91607070872. Its totient is φ = 45803535432.
The previous prime is 68705303119. The next prime is 68705303179. The reversal of 68705303151 is 15130350786.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 68705303151 - 25 = 68705303119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68705383151) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11450883856 + ... + 11450883861.
It is an arithmetic number, because the mean of its divisors is an integer number (22901767718).
Almost surely, 268705303151 is an apocalyptic number.
68705303151 is a deficient number, since it is larger than the sum of its proper divisors (22901767721).
68705303151 is a wasteful number, since it uses less digits than its factorization.
68705303151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22901767720.
The product of its (nonzero) digits is 75600, while the sum is 39.
The spelling of 68705303151 in words is "sixty-eight billion, seven hundred five million, three hundred three thousand, one hundred fifty-one".
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