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3031730031730 = 2517137398932633
BaseRepresentation
bin101100000111100001001…
…100010000110001110010
3101201211102110220220012111
4230013201030100301302
5344132440342003410
610240431344115534
7432015045035161
oct54074114206162
911654373826174
103031730031730
11a698276251a4
1240b6a0305baa
1318cb77457aca
14a6a450033d8
1553ce01a4b8a
hex2c1e1310c72

3031730031730 has 64 divisors (see below), whose sum is σ = 5821934317920. Its totient is φ = 1132707364864.

The previous prime is 3031730031721. The next prime is 3031730031739. The reversal of 3031730031730 is 371300371303.

It is an interprime number because it is at equal distance from previous prime (3031730031721) and next prime (3031730031739).

It can be written as a sum of positive squares in 16 ways, for example, as 966125828889 + 2065604202841 = 982917^2 + 1437221^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3031730031692 and 3031730031701.

It is not an unprimeable number, because it can be changed into a prime (3031730031739) 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 31 ways as a sum of consecutive naturals, for example, 92887494 + ... + 92920126.

Almost surely, 23031730031730 is an apocalyptic number.

3031730031730 is a deficient number, since it is larger than the sum of its proper divisors (2790204286190).

3031730031730 is a wasteful number, since it uses less digits than its factorization.

3031730031730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36783.

The product of its (nonzero) digits is 11907, while the sum is 31.

The spelling of 3031730031730 in words is "three trillion, thirty-one billion, seven hundred thirty million, thirty-one thousand, seven hundred thirty".

Divisors: 1 2 5 10 17 34 85 137 170 274 685 1370 2329 3989 4658 7978 11645 19945 23290 32633 39890 65266 67813 135626 163165 326330 339065 546493 554761 678130 1092986 1109522 2732465 2773805 4470721 5464930 5547610 8941442 9290381 18580762 22353605 44707210 46451905 76002257 92903810 130173037 152004514 260346074 380011285 650865185 760022570 1301730370 2212941629 4425883258 11064708145 17833706069 22129416290 35667412138 89168530345 178337060690 303173003173 606346006346 1515865015865 3031730031730