Base | Representation |
---|---|
bin | 10111001011011100101000… |
… | …00100001000111000010001 |
3 | 20200110202200221102212011101 |
4 | 23211232110010020320101 |
5 | 23140101310404431140 |
6 | 300223405034144401 |
7 | 13510344311035603 |
oct | 1345562404107021 |
9 | 220422627385141 |
10 | 50970861014545 |
11 | 15271691264a1a |
12 | 58725b2282101 |
13 | 22596bab20294 |
14 | c83007ad5173 |
15 | 5d5d0817799a |
hex | 2e5b94108e11 |
50970861014545 has 32 divisors (see below), whose sum is σ = 62428525143840. Its totient is φ = 39937124997120.
The previous prime is 50970861014441. The next prime is 50970861014639. The reversal of 50970861014545 is 54541016807905.
It is a Cunningham number, because it is equal to 71393882+1.
It can be written as a sum of positive squares in 16 ways, for example, as 4224541726161 + 46746319288384 = 2055369^2 + 6837128^2 .
It is not a de Polignac number, because 50970861014545 - 221 = 50970858917393 is a prime.
It is a super-5 number, since 5×509708610145455 (a number of 70 digits) contains 55555 as substring.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 347004757 + ... + 347151613.
It is an arithmetic number, because the mean of its divisors is an integer number (1950891410745).
Almost surely, 250970861014545 is an apocalyptic number.
It is an amenable number.
50970861014545 is a deficient number, since it is larger than the sum of its proper divisors (11457664129295).
50970861014545 is a wasteful number, since it uses less digits than its factorization.
50970861014545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149205.
The product of its (nonzero) digits is 6048000, while the sum is 55.
The spelling of 50970861014545 in words is "fifty trillion, nine hundred seventy billion, eight hundred sixty-one million, fourteen thousand, five hundred forty-five".
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