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12771310 = 252947937
BaseRepresentation
bin110000101101…
…111111101110
3220000211221111
4300231333232
511232140220
61133422234
7213361066
oct60557756
926024844
1012771310
117233302
12433a97a
1328520b6
1419a63a6
1511c415a
hexc2dfee

12771310 has 32 divisors (see below), whose sum is σ = 24312960. Its totient is φ = 4822272.

The previous prime is 12771307. The next prime is 12771323. The reversal of 12771310 is 1317721.

It is a super-2 number, since 2×127713102 = 326212718232200, which contains 22 as substring.

It is a congruent number.

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, 13162 + ... + 14098.

It is an arithmetic number, because the mean of its divisors is an integer number (759780).

Almost surely, 212771310 is an apocalyptic number.

12771310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12771310 is a deficient number, since it is larger than the sum of its proper divisors (11541650).

12771310 is a wasteful number, since it uses less digits than its factorization.

12771310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 12771310 is about 3573.6969653288. The cubic root of 12771310 is about 233.7465173397.

The spelling of 12771310 in words is "twelve million, seven hundred seventy-one thousand, three hundred ten".

Divisors: 1 2 5 10 29 47 58 94 145 235 290 470 937 1363 1874 2726 4685 6815 9370 13630 27173 44039 54346 88078 135865 220195 271730 440390 1277131 2554262 6385655 12771310