Base | Representation |
---|---|
bin | 100000000110111011… |
… | …0000100100000110001 |
3 | 20120222100220001210100 |
4 | 1000031312010200301 |
5 | 2112203122123201 |
6 | 51402003223013 |
7 | 4660455150126 |
oct | 1001566044061 |
9 | 216870801710 |
10 | 68951754801 |
11 | 27273516a26 |
12 | 11443977a69 |
13 | 666b217a17 |
14 | 34a170a74d |
15 | 1bd859e886 |
hex | 100dd84831 |
68951754801 has 24 divisors (see below), whose sum is σ = 100679862920. Its totient is φ = 45468573696.
The previous prime is 68951754791. The next prime is 68951754827. The reversal of 68951754801 is 10845715986.
It is a happy number.
68951754801 is a `hidden beast` number, since 6 + 8 + 95 + 1 + 7 + 548 + 0 + 1 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 9990202401 + 58961552400 = 99951^2 + 242820^2 .
It is not a de Polignac number, because 68951754801 - 214 = 68951738417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68951754601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1614045 + ... + 1656213.
Almost surely, 268951754801 is an apocalyptic number.
It is an amenable number.
68951754801 is a deficient number, since it is larger than the sum of its proper divisors (31728108119).
68951754801 is a wasteful number, since it uses less digits than its factorization.
68951754801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44145 (or 44142 counting only the distinct ones).
The product of its (nonzero) digits is 2419200, while the sum is 54.
The spelling of 68951754801 in words is "sixty-eight billion, nine hundred fifty-one million, seven hundred fifty-four thousand, eight hundred one".
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