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285204327132 = 22397192445419
BaseRepresentation
bin1000010011001111000…
…00001010101011011100
31000021011101020222012010
410021213200022223130
514133044301432012
6335004314311220
726414425532004
oct4114740125334
91007141228163
10285204327132
11aaa5545328a
1247336428510
1320b827235aa
14db38109004
1576437aac3c
hex426780aadc

285204327132 has 24 divisors (see below), whose sum is σ = 665545507200. Its totient is φ = 95058288496.

The previous prime is 285204327127. The next prime is 285204327157. The reversal of 285204327132 is 231723402582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106082 + ... + 1339337.

It is an arithmetic number, because the mean of its divisors is an integer number (27731062800).

Almost surely, 2285204327132 is an apocalyptic number.

It is an amenable number.

285204327132 is an abundant number, since it is smaller than the sum of its proper divisors (380341180068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285204327132 is a wasteful number, since it uses less digits than its factorization.

285204327132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455145 (or 2455143 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 285204327132 in words is "two hundred eighty-five billion, two hundred four million, three hundred twenty-seven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 9719 19438 29157 38876 58314 116628 2445419 4890838 7336257 9781676 14672514 29345028 23767027261 47534054522 71301081783 95068109044 142602163566 285204327132