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20122244242411 = 311316473765487
BaseRepresentation
bin1001001001101000100110…
…01110000101101111101011
32122020200000210120102222111
410210310103032011233223
510114140324011224121
6110444010440303151
74144532653651033
oct444642316055753
978220023512874
1020122244242411
11645888331a753
12230b9aaa71ab7
13b2c69a42029c
144d7cc967a8c3
1524d65bd972e1
hex124d13385beb

20122244242411 has 16 divisors (see below), whose sum is σ = 20933169573888. Its totient is φ = 19321479028800.

The previous prime is 20122244242369. The next prime is 20122244242421. The reversal of 20122244242411 is 11424244222102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20122244242411 - 27 = 20122244242283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122244242421) by changing a digit.

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, 25904110 + ... + 26669596.

It is an arithmetic number, because the mean of its divisors is an integer number (1308323098368).

Almost surely, 220122244242411 is an apocalyptic number.

20122244242411 is a deficient number, since it is larger than the sum of its proper divisors (810925331477).

20122244242411 is a wasteful number, since it uses less digits than its factorization.

20122244242411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772122.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 20122244242411 its reverse (11424244222102), we get a palindrome (31546488464513).

The spelling of 20122244242411 in words is "twenty trillion, one hundred twenty-two billion, two hundred forty-four million, two hundred forty-two thousand, four hundred eleven".

Divisors: 1 31 131 4061 6473 200663 765487 847963 23730097 26286853 100278797 3108642707 4954997351 153604917881 649104652981 20122244242411