Base | Representation |
---|---|
bin | 11110111101001001111111… |
… | …11000011010100000001010 |
3 | 22221000121202022100001022221 |
4 | 33132210333320122200022 |
5 | 32410242433124140110 |
6 | 400435503213004254 |
7 | 20224016553456322 |
oct | 1736447770324012 |
9 | 287017668301287 |
10 | 68072008427530 |
11 | 1a7651a413a778 |
12 | 7774989a8368a |
13 | 2bca216a25243 |
14 | 12b49ba63c282 |
15 | 7d0a986037da |
hex | 3de93fe1a80a |
68072008427530 has 16 divisors (see below), whose sum is σ = 122529718518624. Its totient is φ = 27228780404560.
The previous prime is 68072008427519. The next prime is 68072008427537. The reversal of 68072008427530 is 3572480027086.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (68072008427537) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14697489 + ... + 18765931.
It is an arithmetic number, because the mean of its divisors is an integer number (7658107407414).
Almost surely, 268072008427530 is an apocalyptic number.
68072008427530 is a deficient number, since it is larger than the sum of its proper divisors (54457710091094).
68072008427530 is a wasteful number, since it uses less digits than its factorization.
68072008427530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5741621.
The product of its (nonzero) digits is 4515840, while the sum is 52.
The spelling of 68072008427530 in words is "sixty-eight trillion, seventy-two billion, eight million, four hundred twenty-seven thousand, five hundred thirty".
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