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2821318214 = 211139864749
BaseRepresentation
bin1010100000101001…
…1110011001000110
321021121210211000012
42220022132121012
521234224140324
61143542350222
7126625544351
oct25012363106
97247724005
102821318214
111218619150
12668a2b372
1335c682680
141ca9b3298
15117a4b20e
hexa829e646

2821318214 has 16 divisors (see below), whose sum is σ = 4971834000. Its totient is φ = 1183769760.

The previous prime is 2821318187. The next prime is 2821318219. The reversal of 2821318214 is 4128131282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821318219) 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, 4932089 + ... + 4932660.

It is an arithmetic number, because the mean of its divisors is an integer number (310739625).

Almost surely, 22821318214 is an apocalyptic number.

2821318214 is a deficient number, since it is larger than the sum of its proper divisors (2150515786).

2821318214 is a wasteful number, since it uses less digits than its factorization.

2821318214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9864775.

The product of its digits is 6144, while the sum is 32.

The square root of 2821318214 is about 53116.0824421380. The cubic root of 2821318214 is about 1413.0277498942.

Adding to 2821318214 its reverse (4128131282), we get a palindrome (6949449496).

The spelling of 2821318214 in words is "two billion, eight hundred twenty-one million, three hundred eighteen thousand, two hundred fourteen".

Divisors: 1 2 11 13 22 26 143 286 9864749 19729498 108512239 128241737 217024478 256483474 1410659107 2821318214