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12685830353846 = 2132591098757899
BaseRepresentation
bin1011100010011010011001…
…1010010111001110110110
31122220202100022212220011222
42320212212122113032312
53130321040032310341
642551442350430342
72446343462564216
oct270464632271666
948822308786158
1012685830353846
114051037574631
12150a722b023b2
13710365360700
1431bdd708a246
1516eec303444b
hexb89a66973b6

12685830353846 has 48 divisors (see below), whose sum is σ = 20956599288000. Its totient is φ = 5755138088544.

The previous prime is 12685830353843. The next prime is 12685830353851. The reversal of 12685830353846 is 64835303858621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685830353843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219073805 + ... + 219131703.

It is an arithmetic number, because the mean of its divisors is an integer number (436595818500).

Almost surely, 212685830353846 is an apocalyptic number.

12685830353846 is a deficient number, since it is larger than the sum of its proper divisors (8270768934154).

12685830353846 is a wasteful number, since it uses less digits than its factorization.

12685830353846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68973 (or 68960 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 62.

The spelling of 12685830353846 in words is "twelve trillion, six hundred eighty-five billion, eight hundred thirty million, three hundred fifty-three thousand, eight hundred forty-six".

Divisors: 1 2 13 26 59 118 169 338 767 1534 9971 10987 19942 21974 57899 115798 142831 285662 648233 752687 1296466 1505374 1856803 3416041 3713606 6832082 8427029 9784931 16854058 19569862 44408533 88817066 109551377 219102754 577310929 636136313 1154621858 1272272626 8269772069 16539544138 37532042467 75064084934 107507036897 215014073794 487916552071 975833104142 6342915176923 12685830353846