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1802125536 = 25318772141
BaseRepresentation
bin110101101101010…
…0100000011100000
311122121000110111020
41223122210003200
512142321004121
6454453445440
762441546211
oct15332440340
94577013436
101802125536
11845286652
12423640880
13229485693
141314ab408
15a83281c6
hex6b6a40e0

1802125536 has 24 divisors (see below), whose sum is σ = 4730579784. Its totient is φ = 600708480.

The previous prime is 1802125531. The next prime is 1802125543. The reversal of 1802125536 is 6355212081.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1802125497 and 1802125506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802125531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9385975 + ... + 9386166.

It is an arithmetic number, because the mean of its divisors is an integer number (197107491).

Almost surely, 21802125536 is an apocalyptic number.

1802125536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1802125536 is an abundant number, since it is smaller than the sum of its proper divisors (2928454248).

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

1802125536 is a wasteful number, since it uses less digits than its factorization.

1802125536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18772154 (or 18772146 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1802125536 is about 42451.4491625433. The cubic root of 1802125536 is about 1216.9190233358.

The spelling of 1802125536 in words is "one billion, eight hundred two million, one hundred twenty-five thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 18772141 37544282 56316423 75088564 112632846 150177128 225265692 300354256 450531384 600708512 901062768 1802125536