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3807386668407 = 3721773101206641
BaseRepresentation
bin110111011001111001111…
…011100000110101110111
3111110222112022201122120010
4313121321323200311313
5444340011441342112
612033031141511303
7542034406463400
oct67317173406567
914428468648503
103807386668407
111238781574803
12515a92112533
1321805bc3698a
14d23c82ac9a7
156908b27d63c
hex37679ee0d77

3807386668407 has 96 divisors (see below), whose sum is σ = 6401147580864. Its totient is φ = 1999613952000.

The previous prime is 3807386668363. The next prime is 3807386668417. The reversal of 3807386668407 is 7048666837083.

It is not a de Polignac number, because 3807386668407 - 212 = 3807386664311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3807386668417) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18321807 + ... + 18528447.

It is an arithmetic number, because the mean of its divisors is an integer number (66678620634).

Almost surely, 23807386668407 is an apocalyptic number.

3807386668407 is a deficient number, since it is larger than the sum of its proper divisors (2593760912457).

3807386668407 is a wasteful number, since it uses less digits than its factorization.

3807386668407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206849 (or 206842 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 66.

The spelling of 3807386668407 in words is "three trillion, eight hundred seven billion, three hundred eighty-six million, six hundred sixty-eight thousand, four hundred seven".

Divisors: 1 3 7 17 21 49 51 73 101 119 147 219 303 357 511 707 833 1241 1533 1717 2121 2499 3577 3723 4949 5151 7373 8687 10731 12019 14847 22119 26061 36057 51611 60809 84133 125341 154833 182427 206641 252399 361277 376023 619923 877387 1083831 1446487 2632161 3512897 4339461 6141709 10125409 10538691 15084793 18425127 20870741 24590279 30376227 45254379 62612223 73770837 105593551 146095187 172131953 256441481 316780653 354802597 438285561 516395859 739154857 769324443 1022666309 1064407791 1523564093 1795090367 2217464571 2483618179 3067998927 4570692279 5385271101 7450854537 10664948651 12565632569 17385327253 25900589581 31994845953 37696897707 52155981759 74654640557 77701768743 181304127067 223963921671 543912381201 1269128889469 3807386668407