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13021331210 = 255309245269
BaseRepresentation
bin11000010000010000…
…11011111100001010
31020121110221011101022
430020020123330022
5203131430044320
65552032152442
7640452326516
oct141010337412
936543834338
1013021331210
115582224958
122634998722
1312c6930014
148b751d146
15513267325
hex30821bf0a

13021331210 has 16 divisors (see below), whose sum is σ = 23442906600. Its totient is φ = 5207530176.

The previous prime is 13021331177. The next prime is 13021331221. The reversal of 13021331210 is 1213312031.

It can be written as a sum of positive squares in 4 ways, for example, as 8658860809 + 4362470401 = 93053^2 + 66049^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69545 + ... + 175724.

Almost surely, 213021331210 is an apocalyptic number.

13021331210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021331210 is a deficient number, since it is larger than the sum of its proper divisors (10421575390).

13021331210 is a wasteful number, since it uses less digits than its factorization.

13021331210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250585.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13021331210 its reverse (1213312031), we get a palindrome (14234643241).

The spelling of 13021331210 in words is "thirteen billion, twenty-one million, three hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 5309 10618 26545 53090 245269 490538 1226345 2452690 1302133121 2604266242 6510665605 13021331210