Base | Representation |
---|---|
bin | 111011101110111100… |
… | …0101011111101100111 |
3 | 110021002211012100010212 |
4 | 1313131320223331213 |
5 | 4100202312121310 |
6 | 134532434210035 |
7 | 12160546521314 |
oct | 1673570537547 |
9 | 407084170125 |
10 | 128276676455 |
11 | 4a4469266a4 |
12 | 20a3b72391b |
13 | c133b50165 |
14 | 62cc671d0b |
15 | 350b904205 |
hex | 1ddde2bf67 |
128276676455 has 16 divisors (see below), whose sum is σ = 158977910784. Its totient is φ = 99260756640.
The previous prime is 128276676427. The next prime is 128276676461. The reversal of 128276676455 is 554676672821.
It is not a de Polignac number, because 128276676455 - 218 = 128276414311 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 128276676394 and 128276676403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99734 + ... + 516236.
It is an arithmetic number, because the mean of its divisors is an integer number (9936119424).
Almost surely, 2128276676455 is an apocalyptic number.
128276676455 is a deficient number, since it is larger than the sum of its proper divisors (30701234329).
128276676455 is a wasteful number, since it uses less digits than its factorization.
128276676455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 418526.
The product of its digits is 33868800, while the sum is 59.
The spelling of 128276676455 in words is "one hundred twenty-eight billion, two hundred seventy-six million, six hundred seventy-six thousand, four hundred fifty-five".
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