Base | Representation |
---|---|
bin | 10010011111010000000… |
… | …011010011001001110011 |
3 | 11111110101201221211012010 |
4 | 102133100003103021303 |
5 | 131303444001100011 |
6 | 2411355022134003 |
7 | 160535214531030 |
oct | 22372003231163 |
9 | 4443351854163 |
10 | 1270505878131 |
11 | 44a90049a966 |
12 | 186295a21303 |
13 | 92a67794b19 |
14 | 456c83c6387 |
15 | 230ae9261a6 |
hex | 127d00d3273 |
1270505878131 has 8 divisors (see below), whose sum is σ = 1936008957184. Its totient is φ = 726003358920.
The previous prime is 1270505878129. The next prime is 1270505878133. The reversal of 1270505878131 is 1318785050721.
It is an interprime number because it is at equal distance from previous prime (1270505878129) and next prime (1270505878133).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1270505878131 - 21 = 1270505878129 is a prime.
It is a super-2 number, since 2×12705058781312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1270505878133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30250139935 + ... + 30250139976.
It is an arithmetic number, because the mean of its divisors is an integer number (242001119648).
Almost surely, 21270505878131 is an apocalyptic number.
1270505878131 is a deficient number, since it is larger than the sum of its proper divisors (665503079053).
1270505878131 is an equidigital number, since it uses as much as digits as its factorization.
1270505878131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60500279921.
The product of its (nonzero) digits is 470400, while the sum is 48.
The spelling of 1270505878131 in words is "one trillion, two hundred seventy billion, five hundred five million, eight hundred seventy-eight thousand, one hundred thirty-one".
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