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538581490112 = 269786756039
BaseRepresentation
bin1111101011001011111…
…01010101100111000000
31220111011200002110222202
413311211331111213000
532311003330140422
61051230530252332
753624360062661
oct7654575254700
91814150073882
10538581490112
11198458235016
1288469a270a8
133ba32370773
141c0d3261368
15e022d1ab92
hex7d65f559c0

538581490112 has 28 divisors (see below), whose sum is σ = 1079765673840. Its totient is φ = 266514548736.

The previous prime is 538581490099. The next prime is 538581490157. The reversal of 538581490112 is 211094185835.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43371812 + ... + 43384227.

It is an arithmetic number, because the mean of its divisors is an integer number (38563059780).

Almost surely, 2538581490112 is an apocalyptic number.

It is an amenable number.

538581490112 is an abundant number, since it is smaller than the sum of its proper divisors (541184183728).

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

538581490112 is an equidigital number, since it uses as much as digits as its factorization.

538581490112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86756148 (or 86756138 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 47.

The spelling of 538581490112 in words is "five hundred thirty-eight billion, five hundred eighty-one million, four hundred ninety thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 97 194 388 776 1552 3104 6208 86756039 173512078 347024156 694048312 1388096624 2776193248 5552386496 8415335783 16830671566 33661343132 67322686264 134645372528 269290745056 538581490112