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285940628148 = 22373404055097
BaseRepresentation
bin1000010100100110110…
…00111011101010110100
31000100001200201221022010
410022103120323222310
514141101300100043
6335205340004220
726441606144130
oct4122330735264
91010050657263
10285940628148
111002a303711a
1247500b30670
1320c6c132976
14dba7c123c0
15768824e133
hex429363bab4

285940628148 has 24 divisors (see below), whose sum is σ = 762508341952. Its totient is φ = 81697322304.

The previous prime is 285940628063. The next prime is 285940628177. The reversal of 285940628148 is 841826049582.

It is a super-3 number, since 3×2859406281483 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702027465 + ... + 1702027632.

Almost surely, 2285940628148 is an apocalyptic number.

285940628148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

285940628148 is an abundant number, since it is smaller than the sum of its proper divisors (476567713804).

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

285940628148 is a wasteful number, since it uses less digits than its factorization.

285940628148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404055111 (or 3404055109 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 285940628148 in words is "two hundred eighty-five billion, nine hundred forty million, six hundred twenty-eight thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3404055097 6808110194 10212165291 13616220388 20424330582 23828385679 40848661164 47656771358 71485157037 95313542716 142970314074 285940628148