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20361240530142 = 238930233800059
BaseRepresentation
bin1001010000100101110001…
…00000100100110011011110
32200002111220212020210120220
410220102320200210303132
510132044310033431032
6111145454052222210
74201023343614021
oct450227040446336
980074825223526
1020361240530142
116540176510016
12234a18a30a966
13b49097884c15
145056bc8d31b8
15254998b3c12c
hex1284b8824cde

20361240530142 has 16 divisors (see below), whose sum is σ = 40722537377280. Its totient is φ = 6787070790552.

The previous prime is 20361240530101. The next prime is 20361240530159. The reversal of 20361240530142 is 24103504216302.

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 7 ways as a sum of consecutive naturals, for example, 3458109 + ... + 7258167.

It is an arithmetic number, because the mean of its divisors is an integer number (2545158586080).

Almost surely, 220361240530142 is an apocalyptic number.

20361240530142 is an abundant number, since it is smaller than the sum of its proper divisors (20361296847138).

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

20361240530142 is a wasteful number, since it uses less digits than its factorization.

20361240530142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693087.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 20361240530142 its reverse (24103504216302), we get a palindrome (44464744746444).

The spelling of 20361240530142 in words is "twenty trillion, three hundred sixty-one billion, two hundred forty million, five hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 893023 1786046 2679069 3800059 5358138 7600118 11400177 22800354 3393540088357 6787080176714 10180620265071 20361240530142