Base | Representation |
---|---|
bin | 11111010010110100000… |
… | …11101011111110010001 |
3 | 10210210102012201201000000 |
4 | 33221122003223332101 |
5 | 120104104200134420 |
6 | 2141544141520213 |
7 | 140453523326304 |
oct | 17513203537621 |
9 | 3723365651000 |
10 | 1075252739985 |
11 | 38501515a296 |
12 | 154483b73069 |
13 | 7a51ba33658 |
14 | 3a084910b3b |
15 | 1ce830a4690 |
hex | fa5a0ebf91 |
1075252739985 has 56 divisors (see below), whose sum is σ = 1981754858664. Its totient is φ = 559481022720.
The previous prime is 1075252739959. The next prime is 1075252739999. The reversal of 1075252739985 is 5899372525701.
1075252739985 is a `hidden beast` number, since 1 + 0 + 7 + 525 + 27 + 3 + 9 + 9 + 85 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 175888810881 + 899363929104 = 419391^2 + 948348^2 .
It is not a de Polignac number, because 1075252739985 - 218 = 1075252477841 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3448042 + ... + 3746931.
It is an arithmetic number, because the mean of its divisors is an integer number (35388479619).
Almost surely, 21075252739985 is an apocalyptic number.
1075252739985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1075252739985 is a deficient number, since it is larger than the sum of its proper divisors (906502118679).
1075252739985 is an frugal number, since it uses more digits than its factorization.
1075252739985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7195037 (or 7195022 counting only the distinct ones).
The product of its (nonzero) digits is 47628000, while the sum is 63.
The spelling of 1075252739985 in words is "one trillion, seventy-five billion, two hundred fifty-two million, seven hundred thirty-nine thousand, nine hundred eighty-five".
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