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20524414412 = 2223297692809
BaseRepresentation
bin10011000111010110…
…011011010111001100
31221222101022021120202
4103013112123113030
5314013222230122
613232341233032
71324420433615
oct230726332714
957871267522
1020524414412
118782551367
123b89702778
131c2122a518
14dc9bd4c0c
15801d07e92
hex4c759b5cc

20524414412 has 24 divisors (see below), whose sum is σ = 38771762400. Its totient is φ = 9477539456.

The previous prime is 20524414387. The next prime is 20524414423. The reversal of 20524414412 is 21441442502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 3843737 + ... + 3849072.

It is an arithmetic number, because the mean of its divisors is an integer number (1615490100).

Almost surely, 220524414412 is an apocalyptic number.

It is an amenable number.

20524414412 is a deficient number, since it is larger than the sum of its proper divisors (18247347988).

20524414412 is a wasteful number, since it uses less digits than its factorization.

20524414412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692865 (or 7692863 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 20524414412 its reverse (21441442502), we get a palindrome (41965856914).

The spelling of 20524414412 in words is "twenty billion, five hundred twenty-four million, four hundred fourteen thousand, four hundred twelve".

Divisors: 1 2 4 23 29 46 58 92 116 667 1334 2668 7692809 15385618 30771236 176934607 223091461 353869214 446182922 707738428 892365844 5131103603 10262207206 20524414412