Base | Representation |
---|---|
bin | 11101010001101010010100… |
… | …000001111100110100011001 |
3 | 121212220001100121221100212210 |
4 | 131101222110001330310121 |
5 | 113334023330330414323 |
6 | 1133502053311425333 |
7 | 36056246546543301 |
oct | 3521522401746431 |
9 | 555801317840783 |
10 | 128757013138713 |
11 | 380315a7256aa3 |
12 | 12535b7b225249 |
13 | 56ac971183aab |
14 | 23b1c30920601 |
15 | ed43eaa7a293 |
hex | 751a9407cd19 |
128757013138713 has 32 divisors (see below), whose sum is σ = 179870089190400. Its totient is φ = 81771444216000.
The previous prime is 128757013138711. The next prime is 128757013138783. The reversal of 128757013138713 is 317831310757821.
It is not a de Polignac number, because 128757013138713 - 21 = 128757013138711 is a prime.
It is a super-3 number, since 3×1287570131387133 (a number of 43 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (128757013138711) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195358395 + ... + 196016367.
It is an arithmetic number, because the mean of its divisors is an integer number (5620940287200).
Almost surely, 2128757013138713 is an apocalyptic number.
It is an amenable number.
128757013138713 is a deficient number, since it is larger than the sum of its proper divisors (51113076051687).
128757013138713 is a wasteful number, since it uses less digits than its factorization.
128757013138713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 669549.
The product of its (nonzero) digits is 5927040, while the sum is 57.
The spelling of 128757013138713 in words is "one hundred twenty-eight trillion, seven hundred fifty-seven billion, thirteen million, one hundred thirty-eight thousand, seven hundred thirteen".
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