Base | Representation |
---|---|
bin | 11101010000011100101000… |
… | …010101111111010101101000 |
3 | 121212121002001120022020201020 |
4 | 131100130220111333111220 |
5 | 113331142014112331320 |
6 | 1133355500423052440 |
7 | 36050234545311426 |
oct | 3520345025772550 |
9 | 555532046266636 |
10 | 128673602073960 |
11 | 37aaa193947539 |
12 | 12521980ba1120 |
13 | 56a4b3a450a88 |
14 | 23abb9ab38116 |
15 | ed2167dba940 |
hex | 75072857f568 |
128673602073960 has 32 divisors (see below), whose sum is σ = 386020806222240. Its totient is φ = 34312960553024.
The previous prime is 128673602073941. The next prime is 128673602074007. The reversal of 128673602073960 is 69370206376821.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 128673602073894 and 128673602073903.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536140008522 + ... + 536140008761.
It is an arithmetic number, because the mean of its divisors is an integer number (12063150194445).
Almost surely, 2128673602073960 is an apocalyptic number.
128673602073960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
128673602073960 is an abundant number, since it is smaller than the sum of its proper divisors (257347204148280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128673602073960 is a wasteful number, since it uses less digits than its factorization.
128673602073960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1072280017297 (or 1072280017293 counting only the distinct ones).
The product of its (nonzero) digits is 27433728, while the sum is 60.
The spelling of 128673602073960 in words is "one hundred twenty-eight trillion, six hundred seventy-three billion, six hundred two million, seventy-three thousand, nine hundred sixty".
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