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2890891299 = 3963630433
BaseRepresentation
bin1010110001001111…
…1000000000100011
321110110201111100010
42230103320000203
521410032010144
61154505500003
7131432112342
oct25423700043
97413644303
102890891299
11125391846a
126881a1603
13370c01a8a
141d5d23b59
1511dbe05b9
hexac4f8023

2890891299 has 4 divisors (see below), whose sum is σ = 3854521736. Its totient is φ = 1927260864.

The previous prime is 2890891279. The next prime is 2890891313. The reversal of 2890891299 is 9921980982.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2890891299 - 28 = 2890891043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2890891279) 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 3 ways as a sum of consecutive naturals, for example, 481815214 + ... + 481815219.

It is an arithmetic number, because the mean of its divisors is an integer number (963630434).

Almost surely, 22890891299 is an apocalyptic number.

2890891299 is a deficient number, since it is larger than the sum of its proper divisors (963630437).

2890891299 is an equidigital number, since it uses as much as digits as its factorization.

2890891299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963630436.

The product of its (nonzero) digits is 1679616, while the sum is 57.

The square root of 2890891299 is about 53767.0093923774. The cubic root of 2890891299 is about 1424.5485466796.

The spelling of 2890891299 in words is "two billion, eight hundred ninety million, eight hundred ninety-one thousand, two hundred ninety-nine".

Divisors: 1 3 963630433 2890891299