Base | Representation |
---|---|
bin | 111111011100100101… |
… | …000110000001100010 |
3 | 20111211202121210111221 |
4 | 333130211012001202 |
5 | 2104010024032322 |
6 | 51143555525254 |
7 | 4631130552361 |
oct | 773445060142 |
9 | 214752553457 |
10 | 68125220962 |
11 | 26989a02907 |
12 | 11252bb982a |
13 | 6568c04746 |
14 | 3423a357d8 |
15 | 1b8ac359c7 |
hex | fdc946062 |
68125220962 has 4 divisors (see below), whose sum is σ = 102187831446. Its totient is φ = 34062610480.
The previous prime is 68125220953. The next prime is 68125220971. The reversal of 68125220962 is 26902252186.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (68125220953) and next prime (68125220971).
It can be written as a sum of positive squares in only one way, i.e., 47323216521 + 20802004441 = 217539^2 + 144229^2 .
It is a super-2 number, since 2×681252209622 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17031305239 + ... + 17031305242.
Almost surely, 268125220962 is an apocalyptic number.
68125220962 is a deficient number, since it is larger than the sum of its proper divisors (34062610484).
68125220962 is a wasteful number, since it uses less digits than its factorization.
68125220962 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34062610483.
The product of its (nonzero) digits is 207360, while the sum is 43.
The spelling of 68125220962 in words is "sixty-eight billion, one hundred twenty-five million, two hundred twenty thousand, nine hundred sixty-two".
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