Base | Representation |
---|---|
bin | 11111011011011010000… |
… | …001101111000001100111 |
3 | 21122110122101210021122201 |
4 | 133123122001233001213 |
5 | 240341112224023224 |
6 | 4332100020435331 |
7 | 312015105413164 |
oct | 37333201570147 |
9 | 7573571707581 |
10 | 2159731470439 |
11 | 762a34124794 |
12 | 2aa6a1848b47 |
13 | 12887aca155a |
14 | 7676286306b |
15 | 3b2a60c5a44 |
hex | 1f6da06f067 |
2159731470439 has 16 divisors (see below), whose sum is σ = 2185718087520. Its totient is φ = 2133943060480.
The previous prime is 2159731470359. The next prime is 2159731470443. The reversal of 2159731470439 is 9340741379512.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2159731470439 is a prime.
It is a super-3 number, since 3×21597314704393 (a number of 38 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2159731470439.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2159731470499) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 17694729 + ... + 17816365.
It is an arithmetic number, because the mean of its divisors is an integer number (136607380470).
Almost surely, 22159731470439 is an apocalyptic number.
2159731470439 is a deficient number, since it is larger than the sum of its proper divisors (25986617081).
2159731470439 is a wasteful number, since it uses less digits than its factorization.
2159731470439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122450.
The product of its (nonzero) digits is 5715360, while the sum is 55.
The spelling of 2159731470439 in words is "two trillion, one hundred fifty-nine billion, seven hundred thirty-one million, four hundred seventy thousand, four hundred thirty-nine".
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