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2806696464 = 24311131767359
BaseRepresentation
bin1010011101001010…
…1100101000010000
321020121021221201220
42213102230220100
521222003241324
61142301125040
7126360345345
oct24722545020
97217257656
102806696464
111210341660
12663b59780
13359633250
141c8a887cc
1511660db79
hexa74aca10

2806696464 has 320 divisors, whose sum is σ = 9179412480. Its totient is φ = 725852160.

The previous prime is 2806696441. The next prime is 2806696483. The reversal of 2806696464 is 4646966082.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 7817917 + ... + 7818275.

It is an arithmetic number, because the mean of its divisors is an integer number (28685664).

Almost surely, 22806696464 is an apocalyptic number.

2806696464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2806696464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4589706240).

2806696464 is an abundant number, since it is smaller than the sum of its proper divisors (6372716016).

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

2806696464 is a wasteful number, since it uses less digits than its factorization.

2806696464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The square root of 2806696464 is about 52978.2640712208. The cubic root of 2806696464 is about 1410.5824704798.

The spelling of 2806696464 in words is "two billion, eight hundred six million, six hundred ninety-six thousand, four hundred sixty-four".