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50215122505 = 5149271248719
BaseRepresentation
bin101110110001000011…
…011111011001001001
311210121120121112020001
4232301003133121021
51310320032410010
635022444203001
73425243333032
oct566103373111
9153546545201
1050215122505
111a329144849
129894b39461
1349734c0352
14260512ba89
15148d6d9c3a
hexbb10df649

50215122505 has 16 divisors (see below), whose sum is σ = 60886656000. Its totient is φ = 39755085120.

The previous prime is 50215122497. The next prime is 50215122527. The reversal of 50215122505 is 50522151205.

It is not a de Polignac number, because 50215122505 - 23 = 50215122497 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 15 ways as a sum of consecutive naturals, for example, 77536 + ... + 326254.

It is an arithmetic number, because the mean of its divisors is an integer number (3805416000).

Almost surely, 250215122505 is an apocalyptic number.

It is an amenable number.

50215122505 is a deficient number, since it is larger than the sum of its proper divisors (10671533495).

50215122505 is a wasteful number, since it uses less digits than its factorization.

50215122505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249144.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 50215122505 in words is "fifty billion, two hundred fifteen million, one hundred twenty-two thousand, five hundred five".

Divisors: 1 5 149 271 745 1355 40379 201895 248719 1243595 37059131 67402849 185295655 337014245 10043024501 50215122505