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3931302012105 = 3513677132722441
BaseRepresentation
bin111001001101010011110…
…111000010010011001001
3111220211101012022022220010
4321031103313002103021
51003402301303341410
612210003141422133
7554012220514116
oct71152367022311
914824335268803
103931302012105
11128628a551566
12535ab510a949
13226949341b60
14d83c160d90d
156c3ded35c20
hex39353dc24c9

3931302012105 has 64 divisors (see below), whose sum is σ = 6789356356608. Its totient is φ = 1931009034240.

The previous prime is 3931302012103. The next prime is 3931302012119. The reversal of 3931302012105 is 5012102031393.

3931302012105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3931302012105 - 21 = 3931302012103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3931302012103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175172685 + ... + 175195125.

It is an arithmetic number, because the mean of its divisors is an integer number (106083693072).

Almost surely, 23931302012105 is an apocalyptic number.

It is an amenable number.

3931302012105 is a deficient number, since it is larger than the sum of its proper divisors (2858054344503).

3931302012105 is a wasteful number, since it uses less digits than its factorization.

3931302012105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24466.

The product of its (nonzero) digits is 4860, while the sum is 30.

Adding to 3931302012105 its reverse (5012102031393), we get a palindrome (8943404043498).

The spelling of 3931302012105 in words is "three trillion, nine hundred thirty-one billion, three hundred two million, twelve thousand, one hundred five".

Divisors: 1 3 5 13 15 39 65 195 677 1327 2031 3385 3981 6635 8801 10155 17251 19905 22441 26403 44005 51753 67323 86255 112205 132015 258765 291733 336615 875199 898379 1458665 2695137 4375995 4491895 11678927 13475685 15192557 29779207 35036781 45577671 58394635 75962785 89337621 148896035 175183905 197503241 227888355 387129691 446688105 592509723 987516205 1161389073 1935648455 2962548615 5806945365 20160523139 60481569417 100802615695 262086800807 302407847085 786260402421 1310434004035 3931302012105