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20240244403142 = 219689277727567
BaseRepresentation
bin1001001101000100011001…
…00100111110101111000110
32122122221121102200200201212
410212202030210332233012
510123104010031400032
6111014123453251422
74156211060531201
oct446421444765706
978587542620655
1020240244403142
1164a3926337a45
12232a840a93b72
13b3a8541b84ba
144dd8c116a938
152517664bcbb2
hex12688c93ebc6

20240244403142 has 16 divisors (see below), whose sum is σ = 31958748426240. Its totient is φ = 9587343854088.

The previous prime is 20240244403109. The next prime is 20240244403147. The reversal of 20240244403142 is 24130444204202.

It is a junction number, because it is equal to n+sod(n) for n = 20240244403099 and 20240244403108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240244403147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244558 + ... + 6483009.

It is an arithmetic number, because the mean of its divisors is an integer number (1997421776640).

Almost surely, 220240244403142 is an apocalyptic number.

20240244403142 is a deficient number, since it is larger than the sum of its proper divisors (11718504023098).

20240244403142 is a wasteful number, since it uses less digits than its factorization.

20240244403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796515.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 20240244403142 its reverse (24130444204202), we get a palindrome (44370688607344).

The spelling of 20240244403142 in words is "twenty trillion, two hundred forty billion, two hundred forty-four million, four hundred three thousand, one hundred forty-two".

Divisors: 1 2 19 38 68927 137854 1309613 2619226 7727567 15455134 146823773 293647546 532638010609 1065276021218 10120122201571 20240244403142