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2966986820 = 225721192763
BaseRepresentation
bin1011000011011000…
…1010000001000100
321122202220112202202
42300312022001010
522034022034240
61210224454032
7133344654230
oct26066120104
97582815682
102966986820
111292872126
126a977a318
133838c5c05
142020915c0
15125722315
hexb0d8a044

2966986820 has 24 divisors (see below), whose sum is σ = 7120768704. Its totient is φ = 1017252576.

The previous prime is 2966986811. The next prime is 2966986871. The reversal of 2966986820 is 286896692.

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 7 ways as a sum of consecutive naturals, for example, 10596242 + ... + 10596521.

It is an arithmetic number, because the mean of its divisors is an integer number (296698696).

Almost surely, 22966986820 is an apocalyptic number.

2966986820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2966986820 is an abundant number, since it is smaller than the sum of its proper divisors (4153781884).

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

2966986820 is a wasteful number, since it uses less digits than its factorization.

2966986820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21192779 (or 21192777 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 56.

The square root of 2966986820 is about 54470.0543418124. The cubic root of 2966986820 is about 1436.9396845372.

The spelling of 2966986820 in words is "two billion, nine hundred sixty-six million, nine hundred eighty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 21192763 42385526 84771052 105963815 148349341 211927630 296698682 423855260 593397364 741746705 1483493410 2966986820