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285099695940 = 22356333175029
BaseRepresentation
bin1000010011000010100…
…01000001111101000100
31000020220002101011011210
410021201101001331010
514132341010232230
6334550055531420
726412015300543
oct4114121017504
91006802334153
10285099695940
11aaa01389324
1247307389b70
1320b66b4ab47
14db2827015a
1576394ddeb0
hex4261441f44

285099695940 has 48 divisors (see below), whose sum is σ = 798302393280. Its totient is φ = 76024371840.

The previous prime is 285099695929. The next prime is 285099695953. The reversal of 285099695940 is 49596990582.

It is a super-3 number, since 3×2850996959403 (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3762346 + ... + 3837374.

It is an arithmetic number, because the mean of its divisors is an integer number (16631299860).

Almost surely, 2285099695940 is an apocalyptic number.

285099695940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285099695940 is an abundant number, since it is smaller than the sum of its proper divisors (513202697340).

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

285099695940 is a wasteful number, since it uses less digits than its factorization.

285099695940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138372 (or 138370 counting only the distinct ones).

The product of its (nonzero) digits is 62985600, while the sum is 66.

The spelling of 285099695940 in words is "two hundred eighty-five billion, ninety-nine million, six hundred ninety-five thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 63331 75029 126662 150058 189993 225087 253324 300116 316655 375145 379986 450174 633310 750290 759972 900348 949965 1125435 1266620 1500580 1899930 2250870 3799860 4501740 4751661599 9503323198 14254984797 19006646396 23758307995 28509969594 47516615990 57019939188 71274923985 95033231980 142549847970 285099695940