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20242355042 = 2713111221731
BaseRepresentation
bin10010110110100010…
…011101001101100010
31221020201120011212102
4102312202131031202
5312424020330132
613144343530402
71314424115240
oct226642351542
957221504772
1020242355042
118648310a48
123b0b159a02
131ba79716a0
14da0571790
157d718ec62
hex4b689d362

20242355042 has 16 divisors (see below), whose sum is σ = 37370501952. Its totient is φ = 8007964560.

The previous prime is 20242355041. The next prime is 20242355087. The reversal of 20242355042 is 24055324202.

It is a super-3 number, since 3×202423550423 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20242354996 and 20242355014.

It is not an unprimeable number, because it can be changed into a prime (20242355041) 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 7 ways as a sum of consecutive naturals, for example, 55610684 + ... + 55611047.

It is an arithmetic number, because the mean of its divisors is an integer number (2335656372).

Almost surely, 220242355042 is an apocalyptic number.

20242355042 is a deficient number, since it is larger than the sum of its proper divisors (17128146910).

20242355042 is a wasteful number, since it uses less digits than its factorization.

20242355042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111221753.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 20242355042 its reverse (24055324202), we get a palindrome (44297679244).

The spelling of 20242355042 in words is "twenty billion, two hundred forty-two million, three hundred fifty-five thousand, forty-two".

Divisors: 1 2 7 13 14 26 91 182 111221731 222443462 778552117 1445882503 1557104234 2891765006 10121177521 20242355042