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3385685739 = 33153686891
BaseRepresentation
bin1100100111001101…
…0111011011101011
322201221202122201010
43021303113123223
523413213420424
61315542555003
7146620565622
oct31163273353
98657678633
103385685739
111488149897
127a5a38a63
1341c583657
142419226b9
1514c37b229
hexc9cd76eb

3385685739 has 16 divisors (see below), whose sum is σ = 4747797504. Its totient is φ = 2143096800.

The previous prime is 3385685729. The next prime is 3385685747. The reversal of 3385685739 is 9375865833.

It is not a de Polignac number, because 3385685739 - 28 = 3385685483 is a prime.

It is a super-2 number, since 2×33856857392 = 22925735846535952242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3385685729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338517 + ... + 348374.

It is an arithmetic number, because the mean of its divisors is an integer number (296737344).

Almost surely, 23385685739 is an apocalyptic number.

3385685739 is a deficient number, since it is larger than the sum of its proper divisors (1362111765).

3385685739 is a wasteful number, since it uses less digits than its factorization.

3385685739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686978.

The product of its digits is 16329600, while the sum is 57.

The square root of 3385685739 is about 58186.6457101627. The cubic root of 3385685739 is about 1501.5814046315.

The spelling of 3385685739 in words is "three billion, three hundred eighty-five million, six hundred eighty-five thousand, seven hundred thirty-nine".

Divisors: 1 3 31 53 93 159 1643 4929 686891 2060673 21293621 36405223 63880863 109215669 1128561913 3385685739