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385855686074 = 216321116693361
BaseRepresentation
bin1011001110101101100…
…10101000010110111010
31100212221221112202221002
411213112302220112322
522310213023423244
6453132030245002
736606602134115
oct5472662502672
91325857482832
10385855686074
11139705525a61
1262946356762
132a503171711
141496588157c
15a084caaa4e
hex59d6ca85ba

385855686074 has 32 divisors (see below), whose sum is σ = 585618980160. Its totient is φ = 190664409600.

The previous prime is 385855686061. The next prime is 385855686077. The reversal of 385855686074 is 470686558583.

It is a super-2 number, since 2×3858556860742 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385855686074.

It is not an unprimeable number, because it can be changed into a prime (385855686077) 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, 114802154 + ... + 114805514.

It is an arithmetic number, because the mean of its divisors is an integer number (18300593130).

Almost surely, 2385855686074 is an apocalyptic number.

385855686074 is a deficient number, since it is larger than the sum of its proper divisors (199763294086).

385855686074 is a wasteful number, since it uses less digits than its factorization.

385855686074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406.

The product of its (nonzero) digits is 193536000, while the sum is 65.

The spelling of 385855686074 in words is "three hundred eighty-five billion, eight hundred fifty-five million, six hundred eighty-six thousand, seventy-four".

Divisors: 1 2 163 211 326 422 1669 3338 3361 6722 34393 68786 272047 352159 544094 547843 704318 709171 1095686 1418342 5609509 11219018 57401917 114803834 115594873 231189746 914349967 1183606399 1828699934 2367212798 192927843037 385855686074