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1340131210 = 251147259213
BaseRepresentation
bin100111111100000…
…1100011110001010
310110101200201102021
41033320030132022
510221033144320
6340551355054
745131633035
oct11770143612
93411621367
101340131210
11628518460
12314982a8a
13184849462
14c9daa01c
157c9badaa
hex4fe0c78a

1340131210 has 32 divisors (see below), whose sum is σ = 2687530752. Its totient is φ = 476950080.

The previous prime is 1340131189. The next prime is 1340131223. The reversal of 1340131210 is 121310431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124437 + ... + 134776.

It is an arithmetic number, because the mean of its divisors is an integer number (83985336).

Almost surely, 21340131210 is an apocalyptic number.

1340131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340131210 is an abundant number, since it is smaller than the sum of its proper divisors (1347399542).

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

1340131210 is a wasteful number, since it uses less digits than its factorization.

1340131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259278.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1340131210 is about 36607.8025836023. The cubic root of 1340131210 is about 1102.5097542513.

Adding to 1340131210 its reverse (121310431), we get a palindrome (1461441641).

The spelling of 1340131210 in words is "one billion, three hundred forty million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 47 55 94 110 235 470 517 1034 2585 5170 259213 518426 1296065 2592130 2851343 5702686 12183011 14256715 24366022 28513430 60915055 121830110 134013121 268026242 670065605 1340131210