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50510145145 = 559718292909
BaseRepresentation
bin101111000010101000…
…111010011001111001
311211101010202020012111
4233002220322121321
51311421044121040
635112023412321
73435455102245
oct570250723171
9154333666174
1050510145145
111a46a729709
1299578b40a1
1349bc667765
1426323a7425
1514a9563dea
hexbc2a3a679

50510145145 has 32 divisors (see below), whose sum is σ = 62604576000. Its totient is φ = 39103061760.

The previous prime is 50510145131. The next prime is 50510145163. The reversal of 50510145145 is 54154101505.

It is a de Polignac number, because none of the positive numbers 2k-50510145145 is a prime.

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, 17361951 + ... + 17364859.

It is an arithmetic number, because the mean of its divisors is an integer number (1956393000).

Almost surely, 250510145145 is an apocalyptic number.

It is an amenable number.

50510145145 is a deficient number, since it is larger than the sum of its proper divisors (12094430855).

50510145145 is a wasteful number, since it uses less digits than its factorization.

50510145145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 50510145145 in words is "fifty billion, five hundred ten million, one hundred forty-five thousand, one hundred forty-five".

Divisors: 1 5 59 71 295 355 829 2909 4145 4189 14545 20945 48911 58859 171631 206539 244555 294295 858155 1032695 2411561 3472681 12057805 12185801 17363405 60929005 142282099 171220831 711410495 856104155 10102029029 50510145145