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12740963730 = 23511311245451
BaseRepresentation
bin10111101110110101…
…11010110110010010
31012212221101000111120
423313122322312102
5202043141314410
65504135023110
7630506255565
oct136732726622
935787330446
1012740963730
115448a3a6a0
122576b0aa96
1312808172c1
1488c1ba4dc
154e8835570
hex2f76bad92

12740963730 has 64 divisors (see below), whose sum is σ = 34434256896. Its totient is φ = 2989080000.

The previous prime is 12740963717. The next prime is 12740963747. The reversal of 12740963730 is 3736904721.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612496 + ... + 632955.

It is an arithmetic number, because the mean of its divisors is an integer number (538035264).

Almost surely, 212740963730 is an apocalyptic number.

12740963730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12740963730 is an abundant number, since it is smaller than the sum of its proper divisors (21693293166).

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

12740963730 is a wasteful number, since it uses less digits than its factorization.

12740963730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245503.

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 12740963730 in words is "twelve billion, seven hundred forty million, nine hundred sixty-three thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 31 33 55 62 66 93 110 155 165 186 310 330 341 465 682 930 1023 1705 2046 3410 5115 10230 1245451 2490902 3736353 6227255 7472706 12454510 13699961 18681765 27399922 37363530 38608981 41099883 68499805 77217962 82199766 115826943 136999610 193044905 205499415 231653886 386089810 410998830 424698791 579134715 849397582 1158269430 1274096373 2123493955 2548192746 4246987910 6370481865 12740963730