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285680374005 = 35131465027559
BaseRepresentation
bin1000010100000111110…
…00001001000011110101
31000022101120000122201210
410022003320021003311
514140033133432010
6335123441512033
726432266053525
oct4120370110365
91008346018653
10285680374005
1110017a13a354
1247449942619
1320c2a23cb30
14db81427685
157670491b20
hex4283e090f5

285680374005 has 16 divisors (see below), whose sum is σ = 492249260160. Its totient is φ = 140642645568.

The previous prime is 285680373989. The next prime is 285680374009. The reversal of 285680374005 is 500473086582.

It is not a de Polignac number, because 285680374005 - 24 = 285680373989 is a prime.

It is a super-2 number, since 2×2856803740052 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285680374009) 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, 732513585 + ... + 732513974.

It is an arithmetic number, because the mean of its divisors is an integer number (30765578760).

Almost surely, 2285680374005 is an apocalyptic number.

It is an amenable number.

285680374005 is a deficient number, since it is larger than the sum of its proper divisors (206568886155).

285680374005 is a wasteful number, since it uses less digits than its factorization.

285680374005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465027580.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 285680374005 in words is "two hundred eighty-five billion, six hundred eighty million, three hundred seventy-four thousand, five".

Divisors: 1 3 5 13 15 39 65 195 1465027559 4395082677 7325137795 19045358267 21975413385 57136074801 95226791335 285680374005