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20442142324014 = 2343418431893581
BaseRepresentation
bin1001010010111100011101…
…01000011011010100101110
32200101020202001020202012220
410221132032220123110232
510134411001413332024
6111250553542340210
74206616225535205
oct451361650332456
980336661222186
1020442142324014
116571511464194
1223619a812a666
13b538bb790a78
1450959533423c
15256b3138de79
hex12978ea1b52e

20442142324014 has 32 divisors (see below), whose sum is σ = 41836103869824. Its totient is φ = 6655418646240.

The previous prime is 20442142324007. The next prime is 20442142324081. The reversal of 20442142324014 is 41042324124402.

It is a super-2 number, since 2×204421423240142 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9848704 + ... + 11742284.

It is an arithmetic number, because the mean of its divisors is an integer number (1307378245932).

Almost surely, 220442142324014 is an apocalyptic number.

20442142324014 is an abundant number, since it is smaller than the sum of its proper divisors (21393961545810).

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

20442142324014 is a wasteful number, since it uses less digits than its factorization.

20442142324014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935472.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 20442142324014 its reverse (41042324124402), we get a palindrome (61484466448416).

The spelling of 20442142324014 in words is "twenty trillion, four hundred forty-two billion, one hundred forty-two million, three hundred twenty-four thousand, fourteen".

Divisors: 1 2 3 6 43 86 129 258 41843 83686 125529 251058 1799249 1893581 3598498 3787162 5397747 5680743 10795494 11361486 81423983 162847966 244271949 488543898 79233109783 158466219566 237699329349 475398658698 3407023720669 6814047441338 10221071162007 20442142324014