Base | Representation |
---|---|
bin | 11001100011110010011100… |
… | …10100101000000001111001 |
3 | 21101000011120221012021102221 |
4 | 30301321032110220001321 |
5 | 24331331331023041040 |
6 | 315312201014124041 |
7 | 14560460432616355 |
oct | 1461711624500171 |
9 | 241004527167387 |
10 | 56205256065145 |
11 | 169aa573865230 |
12 | 6378b56650621 |
13 | 2549195cb7a55 |
14 | dc44c5594465 |
15 | 67706370474a |
hex | 331e4e528079 |
56205256065145 has 32 divisors (see below), whose sum is σ = 76019755668480. Its totient is φ = 39522280224000.
The previous prime is 56205256065001. The next prime is 56205256065149. The reversal of 56205256065145 is 54156065250265.
It is not a de Polignac number, because 56205256065145 - 211 = 56205256063097 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 56205256065092 and 56205256065101.
It is not an unprimeable number, because it can be changed into a prime (56205256065149) 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, 12971626 + ... + 16753315.
It is an arithmetic number, because the mean of its divisors is an integer number (2375617364640).
Almost surely, 256205256065145 is an apocalyptic number.
56205256065145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
56205256065145 is a deficient number, since it is larger than the sum of its proper divisors (19814499603335).
56205256065145 is a wasteful number, since it uses less digits than its factorization.
56205256065145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29726097.
The product of its (nonzero) digits is 10800000, while the sum is 52.
The spelling of 56205256065145 in words is "fifty-six trillion, two hundred five billion, two hundred fifty-six million, sixty-five thousand, one hundred forty-five".
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