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2086800512 = 2719782757
BaseRepresentation
bin111110001100010…
…0000110010000000
312101102200110010212
41330120200302000
513233210104022
6543023213252
7102466340336
oct17430406200
95342613125
102086800512
11980a43125
124a2a47228
13273448c04
1415b211b56
15c330b3e2
hex7c620c80

2086800512 has 32 divisors (see below), whose sum is σ = 4178451420. Its totient is φ = 1038091264.

The previous prime is 2086800509. The next prime is 2086800523. The reversal of 2086800512 is 2150086802.

It can be written as a sum of positive squares in 2 ways, for example, as 1409551936 + 677248576 = 37544^2 + 26024^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16163 + ... + 66594.

Almost surely, 22086800512 is an apocalyptic number.

It is an amenable number.

2086800512 is an abundant number, since it is smaller than the sum of its proper divisors (2091650908).

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

2086800512 is an equidigital number, since it uses as much as digits as its factorization.

2086800512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82968 (or 82956 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 2086800512 is about 45681.5117087865. The cubic root of 2086800512 is about 1277.8905097621.

The spelling of 2086800512 in words is "two billion, eighty-six million, eight hundred thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 197 394 788 1576 3152 6304 12608 25216 82757 165514 331028 662056 1324112 2648224 5296448 10592896 16303129 32606258 65212516 130425032 260850064 521700128 1043400256 2086800512