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1530525540992 = 27717233717539
BaseRepresentation
bin10110010001011010011…
…011100110001010000000
312102022112221211021210212
4112101122123212022000
5200034004014302432
63131040322013252
7215401564305620
oct26213233461200
95368487737725
101530525540992
11540101849118
12208761aa7228
13b1435636cb6
14541137d8880
1529c2c1d42b2
hex1645a6e6280

1530525540992 has 192 divisors, whose sum is σ = 3712913505600. Its totient is φ = 615487832064.

The previous prime is 1530525540977. The next prime is 1530525541003. The reversal of 1530525540992 is 2990455250351.

It is a self number, because there is not a number n which added to its sum of digits gives 1530525540992.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 87255359 + ... + 87272897.

It is an arithmetic number, because the mean of its divisors is an integer number (19338091175).

Almost surely, 21530525540992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530525540992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856456752800).

1530525540992 is an abundant number, since it is smaller than the sum of its proper divisors (2182387964608).

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

1530525540992 is a wasteful number, since it uses less digits than its factorization.

1530525540992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17931 (or 17902 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 1530525540992 in words is "one trillion, five hundred thirty billion, five hundred twenty-five million, five hundred forty thousand, nine hundred ninety-two".