Base | Representation |
---|---|
bin | 111011111111011100… |
… | …0111110110000100110 |
3 | 110022112102010111012121 |
4 | 1313332320332300212 |
5 | 4102321040322244 |
6 | 135103414340154 |
7 | 12210352226260 |
oct | 1677670766046 |
9 | 408472114177 |
10 | 128830401574 |
11 | 4a700448566 |
12 | 20b7505a65a |
13 | c1c1796064 |
14 | 6342010b30 |
15 | 3540330c84 |
hex | 1dfee3ec26 |
128830401574 has 16 divisors (see below), whose sum is σ = 220856724000. Its totient is φ = 55211877504.
The previous prime is 128830401571. The next prime is 128830401577. The reversal of 128830401574 is 475104038821.
It is an interprime number because it is at equal distance from previous prime (128830401571) and next prime (128830401577).
It is a self number, because there is not a number n which added to its sum of digits gives 128830401574.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128830401571) 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, 1250332 + ... + 1349440.
It is an arithmetic number, because the mean of its divisors is an integer number (13803545250).
Almost surely, 2128830401574 is an apocalyptic number.
128830401574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
128830401574 is a deficient number, since it is larger than the sum of its proper divisors (92026322426).
128830401574 is an equidigital number, since it uses as much as digits as its factorization.
128830401574 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191967.
The product of its (nonzero) digits is 215040, while the sum is 43.
The spelling of 128830401574 in words is "one hundred twenty-eight billion, eight hundred thirty million, four hundred one thousand, five hundred seventy-four".
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