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2988314833 = 7260986017
BaseRepresentation
bin1011001000011110…
…0001000011010001
321201021001010022011
42302013201003101
522110002033313
61212305542521
7134024154100
oct26207410321
97637033264
102988314833
1112a390a189
126b4944a41
1338815293a
14204c44037
1512753693d
hexb21e10d1

2988314833 has 6 divisors (see below), whose sum is σ = 3476203026. Its totient is φ = 2561412672.

The previous prime is 2988314821. The next prime is 2988314837. The reversal of 2988314833 is 3384138892.

It can be written as a sum of positive squares in only one way, i.e., 2962842624 + 25472209 = 54432^2 + 5047^2 .

It is not a de Polignac number, because 2988314833 - 213 = 2988306641 is a prime.

It is a super-2 number, since 2×29883148332 = 17860051082255635778, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 60986017 = 2988314833 / (2 + 9 + 8 + 8 + 3 + 1 + 4 + 8 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2988314837) 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, 30492960 + ... + 30493057.

It is an arithmetic number, because the mean of its divisors is an integer number (579367171).

Almost surely, 22988314833 is an apocalyptic number.

It is an amenable number.

2988314833 is a deficient number, since it is larger than the sum of its proper divisors (487888193).

2988314833 is an equidigital number, since it uses as much as digits as its factorization.

2988314833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60986031 (or 60986024 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 2988314833 is about 54665.4811832842. The cubic root of 2988314833 is about 1440.3745863533.

The spelling of 2988314833 in words is "two billion, nine hundred eighty-eight million, three hundred fourteen thousand, eight hundred thirty-three".

Divisors: 1 7 49 60986017 426902119 2988314833