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285641992364 = 221671873228301
BaseRepresentation
bin1000010100000011001…
…01101110100010101100
31000022021212210200000112
410022001211232202230
514134443322223424
6335115551115152
726431321605641
oct4120145564254
91008255720015
10285641992364
1110015a504693
1247438b12ab8
1320c222c1ac1
14db7a2b5dc8
15766be0e60e
hex428196e8ac

285641992364 has 24 divisors (see below), whose sum is σ = 503137426848. Its totient is φ = 141889363200.

The previous prime is 285641992351. The next prime is 285641992367. The reversal of 285641992364 is 463299146582.

It is not an unprimeable number, because it can be changed into a prime (285641992367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137014 + ... + 1365314.

It is an arithmetic number, because the mean of its divisors is an integer number (20964059452).

Almost surely, 2285641992364 is an apocalyptic number.

It is an amenable number.

285641992364 is a deficient number, since it is larger than the sum of its proper divisors (217495434484).

285641992364 is a wasteful number, since it uses less digits than its factorization.

285641992364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230345 (or 230343 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 59.

The spelling of 285641992364 in words is "two hundred eighty-five billion, six hundred forty-one million, nine hundred ninety-two thousand, three hundred sixty-four".

Divisors: 1 2 4 167 334 668 1873 3746 7492 228301 312791 456602 625582 913204 1251164 38126267 76252534 152505068 427607773 855215546 1710431092 71410498091 142820996182 285641992364