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13840902842 = 21310128118757
BaseRepresentation
bin11001110001111101…
…10110101010111010
31022201121002201022012
430320332312222322
5211321232342332
610205230325522
7666663506264
oct147076665272
938647081265
1013840902842
115962913188
1228233598a2
1313c7676350
14954300b34
155601a83b2
hex338fb6aba

13840902842 has 32 divisors (see below), whose sum is σ = 22661314704. Its totient is φ = 6302016000.

The previous prime is 13840902833. The next prime is 13840902851. The reversal of 13840902842 is 24820904831.

It is an interprime number because it is at equal distance from previous prime (13840902833) and next prime (13840902851).

It can be written as a sum of positive squares in 8 ways, for example, as 10087992721 + 3752910121 = 100439^2 + 61261^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13840902842.

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, 728528 + ... + 747284.

Almost surely, 213840902842 is an apocalyptic number.

13840902842 is a deficient number, since it is larger than the sum of its proper divisors (8820411862).

13840902842 is a wasteful number, since it uses less digits than its factorization.

13840902842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19154.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 13840902842 in words is "thirteen billion, eight hundred forty million, nine hundred two thousand, eight hundred forty-two".

Divisors: 1 2 13 26 101 202 281 562 1313 2626 3653 7306 18757 28381 37514 56762 243841 368953 487682 737906 1894457 3788914 5270717 10541434 24627941 49255882 68519321 137038642 532342417 1064684834 6920451421 13840902842