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2864800812 = 223154512
BaseRepresentation
bin1010101011000001…
…0110010000101100
321101122121221220210
42222300112100230
521331342111222
61152134342420
7130664255646
oct25260262054
97348557823
102864800812
111240118285
1267b4baa10
13368698413
141d2691896
1511b789d0c
hexaac1642c

2864800812 has 18 divisors (see below), whose sum is σ = 6684967884. Its totient is φ = 954871800.

The previous prime is 2864800777. The next prime is 2864800819. The reversal of 2864800812 is 2180084682.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2864800819) 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 5 ways as a sum of consecutive naturals, for example, 177687 + ... + 193137.

Almost surely, 22864800812 is an apocalyptic number.

It is an amenable number.

2864800812 is an abundant number, since it is smaller than the sum of its proper divisors (3820167072).

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

2864800812 is an frugal number, since it uses more digits than its factorization.

2864800812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30909 (or 15456 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 2864800812 is about 53523.8340554934. The cubic root of 2864800812 is about 1420.2500406083.

Multiplying 2864800812 by its product of nonzero digits (49152), we get a square (140810689511424 = 118663682).

The spelling of 2864800812 in words is "two billion, eight hundred sixty-four million, eight hundred thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 15451 30902 46353 61804 92706 185412 238733401 477466802 716200203 954933604 1432400406 2864800812