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12706671282 = 233199768521
BaseRepresentation
bin10111101010110000…
…00110101010110010
31012210112211210002220
423311120012222302
5202010401440112
65500512021510
7626611631604
oct136530065262
935715753086
1012706671282
115430648228
122567531896
13127669b606
14887811174
154e580e98c
hex2f5606ab2

12706671282 has 32 divisors (see below), whose sum is σ = 26259823104. Its totient is φ = 4094755200.

The previous prime is 12706671281. The next prime is 12706671391. The reversal of 12706671282 is 28217660721.

12706671282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×127066712822 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12706671281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151182 + ... + 219702.

It is an arithmetic number, because the mean of its divisors is an integer number (820619472).

Almost surely, 212706671282 is an apocalyptic number.

12706671282 is an abundant number, since it is smaller than the sum of its proper divisors (13553151822).

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

12706671282 is a wasteful number, since it uses less digits than its factorization.

12706671282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69554.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 12706671282 in words is "twelve billion, seven hundred six million, six hundred seventy-one thousand, two hundred eighty-two".

Divisors: 1 2 3 6 31 62 93 186 997 1994 2991 5982 30907 61814 68521 92721 137042 185442 205563 411126 2124151 4248302 6372453 12744906 68315437 136630874 204946311 409892622 2117778547 4235557094 6353335641 12706671282