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2148388329 = 36229114967
BaseRepresentation
bin1000000000001101…
…1100110111101001
312112201120102202010
42000003130313221
513344441411304
6553103230133
7104144666553
oct20003346751
95481512663
102148388329
11a02788a4a
124bb5a8349
132831307c9
141654844d3
15c8924789
hex800dcde9

2148388329 has 8 divisors (see below), whose sum is σ = 2865002560. Its totient is φ = 1432016496.

The previous prime is 2148388303. The next prime is 2148388339. The reversal of 2148388329 is 9238838412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2148388329 - 211 = 2148386281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148388339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38797 + ... + 76170.

It is an arithmetic number, because the mean of its divisors is an integer number (358125320).

Almost surely, 22148388329 is an apocalyptic number.

It is an amenable number.

2148388329 is a deficient number, since it is larger than the sum of its proper divisors (716614231).

2148388329 is a wasteful number, since it uses less digits than its factorization.

2148388329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121199.

The product of its digits is 663552, while the sum is 48.

The square root of 2148388329 is about 46350.7101240100. The cubic root of 2148388329 is about 1290.3403002220.

The spelling of 2148388329 in words is "two billion, one hundred forty-eight million, three hundred eighty-eight thousand, three hundred twenty-nine".

Divisors: 1 3 6229 18687 114967 344901 716129443 2148388329