Base | Representation |
---|---|
bin | 111110110011011001… |
… | …1101110001110010000 |
3 | 110220010020110222021002 |
4 | 1331212303232032100 |
5 | 4202202404232010 |
6 | 141542522521132 |
7 | 12513114030263 |
oct | 1754663561620 |
9 | 426106428232 |
10 | 134868820880 |
11 | 52219a2a342 |
12 | 2217b3661a8 |
13 | c9447c4031 |
14 | 6755d80cda |
15 | 37955071a5 |
hex | 1f66cee390 |
134868820880 has 40 divisors (see below), whose sum is σ = 315382584312. Its totient is φ = 53635687424.
The previous prime is 134868820861. The next prime is 134868820883. The reversal of 134868820880 is 88028868431.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 18745991056 + 116122829824 = 136916^2 + 340768^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (134868820883) 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, 4858589 + ... + 4886268.
Almost surely, 2134868820880 is an apocalyptic number.
134868820880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
134868820880 is an abundant number, since it is smaller than the sum of its proper divisors (180513763432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
134868820880 is a wasteful number, since it uses less digits than its factorization.
134868820880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9745043 (or 9745037 counting only the distinct ones).
The product of its (nonzero) digits is 4718592, while the sum is 56.
The spelling of 134868820880 in words is "one hundred thirty-four billion, eight hundred sixty-eight million, eight hundred twenty thousand, eight hundred eighty".
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