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50100025144 = 2313481731011
BaseRepresentation
bin101110101010001100…
…011011011100111000
311210022120000222022211
4232222030123130320
51310101101301034
635003213224504
73422345121151
oct565214333470
9153276028284
1050100025144
111a27a181464
129862492134
1349556c1ac0
1425d3b2a928
151483551d64
hexbaa31b738

50100025144 has 16 divisors (see below), whose sum is σ = 101163512520. Its totient is φ = 23123088480.

The previous prime is 50100025127. The next prime is 50100025181. The reversal of 50100025144 is 44152000105.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 240865402 + ... + 240865609.

Almost surely, 250100025144 is an apocalyptic number.

It is an amenable number.

50100025144 is an abundant number, since it is smaller than the sum of its proper divisors (51063487376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50100025144 is a wasteful number, since it uses less digits than its factorization.

50100025144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481731030 (or 481731026 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 50100025144 its reverse (44152000105), we get a palindrome (94252025249).

The spelling of 50100025144 in words is "fifty billion, one hundred million, twenty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 481731011 963462022 1926924044 3853848088 6262503143 12525006286 25050012572 50100025144