Base | Representation |
---|---|
bin | 11110111100110111101100… |
… | …01100010100011110011101 |
3 | 22220222200101111112211022101 |
4 | 33132123312030110132131 |
5 | 32410112322120302044 |
6 | 400431200154445101 |
7 | 20223221216053330 |
oct | 1736336614243635 |
9 | 286880344484271 |
10 | 68062182197149 |
11 | 1a761011522418 |
12 | 7772aa7133791 |
13 | 2bc930c039b3a |
14 | 12b43275d0617 |
15 | 7d06c0b1ccd4 |
hex | 3de6f631479d |
68062182197149 has 4 divisors (see below), whose sum is σ = 77785351082464. Its totient is φ = 58339013311836.
The previous prime is 68062182197089. The next prime is 68062182197153. The reversal of 68062182197149 is 94179128126086.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 68062182197149 - 219 = 68062181672861 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 (68062182191149) 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, 4861584442647 + ... + 4861584442660.
It is an arithmetic number, because the mean of its divisors is an integer number (19446337770616).
Almost surely, 268062182197149 is an apocalyptic number.
It is an amenable number.
68062182197149 is a deficient number, since it is larger than the sum of its proper divisors (9723168885315).
68062182197149 is an equidigital number, since it uses as much as digits as its factorization.
68062182197149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9723168885314.
The product of its (nonzero) digits is 20901888, while the sum is 64.
The spelling of 68062182197149 in words is "sixty-eight trillion, sixty-two billion, one hundred eighty-two million, one hundred ninety-seven thousand, one hundred forty-nine".
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