Base | Representation |
---|---|
bin | 100101010100000000… |
… | …1100000001000001011 |
3 | 21122211021200022121211 |
4 | 1022220001200020023 |
5 | 2303100331033410 |
6 | 100451021113551 |
7 | 5534440653415 |
oct | 1125001401013 |
9 | 248737608554 |
10 | 80128377355 |
11 | 30a8941a974 |
12 | 136429b88b7 |
13 | 772c902b50 |
14 | 3c41c359b5 |
15 | 213e8cb68a |
hex | 12a806020b |
80128377355 has 16 divisors (see below), whose sum is σ = 107121228480. Its totient is φ = 57131319168.
The previous prime is 80128377353. The next prime is 80128377359. The reversal of 80128377355 is 55377382108.
It is a cyclic number.
It is not a de Polignac number, because 80128377355 - 21 = 80128377353 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80128377299 and 80128377308.
It is not an unprimeable number, because it can be changed into a prime (80128377353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21252327 + ... + 21256096.
It is an arithmetic number, because the mean of its divisors is an integer number (6695076780).
Almost surely, 280128377355 is an apocalyptic number.
80128377355 is a deficient number, since it is larger than the sum of its proper divisors (26992851125).
80128377355 is a wasteful number, since it uses less digits than its factorization.
80128377355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42508470.
The product of its (nonzero) digits is 1411200, while the sum is 49.
The spelling of 80128377355 in words is "eighty billion, one hundred twenty-eight million, three hundred seventy-seven thousand, three hundred fifty-five".
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