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50100105505 = 5296138914561
BaseRepresentation
bin101110101010001100…
…101111000100100001
311210022120012001120011
4232222030233010201
51310101111334010
635003215044521
73422345604352
oct565214570441
9153276161504
1050100105505
111a27a22687a
129862510741
13495571c558
1425d3b4bd29
15148356aa8a
hexbaa32f121

50100105505 has 32 divisors (see below), whose sum is σ = 63379648800. Its totient is φ = 37963161600.

The previous prime is 50100105481. The next prime is 50100105509. The reversal of 50100105505 is 50550100105.

It can be written as a sum of positive squares in 16 ways, for example, as 19140999201 + 30959106304 = 138351^2 + 175952^2 .

It is not a de Polignac number, because 50100105505 - 211 = 50100103457 is a prime.

It is a super-2 number, since 2×501001055052 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50100105509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3433425 + ... + 3447985.

It is an arithmetic number, because the mean of its divisors is an integer number (1980614025).

Almost surely, 250100105505 is an apocalyptic number.

It is an amenable number.

50100105505 is a deficient number, since it is larger than the sum of its proper divisors (13279543295).

50100105505 is a wasteful number, since it uses less digits than its factorization.

50100105505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15045.

The product of its (nonzero) digits is 625, while the sum is 22.

The spelling of 50100105505 in words is "fifty billion, one hundred million, one hundred five thousand, five hundred five".

Divisors: 1 5 29 61 145 305 389 1769 1945 8845 11281 14561 23729 56405 72805 118645 422269 688141 888221 2111345 3440705 4441105 5664229 25758409 28321145 128792045 164262641 345517969 821313205 1727589845 10020021101 50100105505