Base | Representation |
---|---|
bin | 111100000011000101… |
… | …0101000110110111101 |
3 | 110022211220211020221110 |
4 | 1320012022220312331 |
5 | 4103043313032343 |
6 | 135123454552233 |
7 | 12213363626604 |
oct | 1700612506675 |
9 | 408756736843 |
10 | 128952470973 |
11 | 4a763343067 |
12 | 20ba9b08679 |
13 | c210b65b81 |
14 | 6354308a3b |
15 | 354ade4833 |
hex | 1e062a8dbd |
128952470973 has 8 divisors (see below), whose sum is σ = 182050547328. Its totient is φ = 80911354304.
The previous prime is 128952470953. The next prime is 128952470981. The reversal of 128952470973 is 379074259821.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 128952470973 - 26 = 128952470909 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128952470903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264239861 + ... + 1264239962.
It is an arithmetic number, because the mean of its divisors is an integer number (22756318416).
Almost surely, 2128952470973 is an apocalyptic number.
It is an amenable number.
128952470973 is a deficient number, since it is larger than the sum of its proper divisors (53098076355).
128952470973 is a wasteful number, since it uses less digits than its factorization.
128952470973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2528479843.
The product of its (nonzero) digits is 7620480, while the sum is 57.
The spelling of 128952470973 in words is "one hundred twenty-eight billion, nine hundred fifty-two million, four hundred seventy thousand, nine hundred seventy-three".
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