Base | Representation |
---|---|
bin | 100000000000100100… |
… | …0000001011111011110 |
3 | 20120102111100100100000 |
4 | 1000001020001133132 |
5 | 2111234004412324 |
6 | 51324501315130 |
7 | 4652254252542 |
oct | 1000110013736 |
9 | 216374310300 |
10 | 68738357214 |
11 | 2717401318a |
12 | 113a4405aa6 |
13 | 6635c4c567 |
14 | 348123ba22 |
15 | 1bc499a9c9 |
hex | 10012017de |
68738357214 has 24 divisors (see below), whose sum is σ = 154449149400. Its totient is φ = 22912785576.
The previous prime is 68738357213. The next prime is 68738357227. The reversal of 68738357214 is 41275383786.
It is a happy number.
68738357214 is a `hidden beast` number, since 6 + 8 + 73 + 8 + 357 + 214 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68738357213) 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 11 ways as a sum of consecutive naturals, for example, 70717989 + ... + 70718960.
It is an arithmetic number, because the mean of its divisors is an integer number (6435381225).
Almost surely, 268738357214 is an apocalyptic number.
68738357214 is an abundant number, since it is smaller than the sum of its proper divisors (85710792186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68738357214 is a wasteful number, since it uses less digits than its factorization.
68738357214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141436966 (or 141436954 counting only the distinct ones).
The product of its digits is 6773760, while the sum is 54.
The spelling of 68738357214 in words is "sixty-eight billion, seven hundred thirty-eight million, three hundred fifty-seven thousand, two hundred fourteen".
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