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2825313660 = 223251310491151
BaseRepresentation
bin1010100001100110…
…1101110101111100
321021220022210201200
42220121231311330
521241240014120
61144204135500
7130004525031
oct25031556574
97256283650
102825313660
11121a8a7a74
1266a237590
13360451140
141cb333388
15118089e90
hexa866dd7c

2825313660 has 144 divisors (see below), whose sum is σ = 9246182400. Its totient is φ = 694195200.

The previous prime is 2825313641. The next prime is 2825313677. The reversal of 2825313660 is 663135282.

It is a happy number.

2825313660 is a `hidden beast` number, since 282 + 5 + 313 + 6 + 60 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2454085 + ... + 2455235.

It is an arithmetic number, because the mean of its divisors is an integer number (64209600).

Almost surely, 22825313660 is an apocalyptic number.

2825313660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2825313660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4623091200).

2825313660 is an abundant number, since it is smaller than the sum of its proper divisors (6420868740).

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

2825313660 is a wasteful number, since it uses less digits than its factorization.

2825313660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2223 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2825313660 is about 53153.6796468504. The cubic root of 2825313660 is about 1413.6944610640.

The spelling of 2825313660 in words is "two billion, eight hundred twenty-five million, three hundred thirteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1049 1151 1170 2098 2302 2340 3147 3453 4196 4604 5245 5755 6294 6906 9441 10359 10490 11510 12588 13637 13812 14963 15735 17265 18882 20718 20980 23020 27274 29926 31470 34530 37764 40911 41436 44889 47205 51795 54548 59852 62940 68185 69060 74815 81822 89778 94410 103590 122733 134667 136370 149630 163644 179556 188820 204555 207180 224445 245466 269334 272740 299260 409110 448890 490932 538668 613665 673335 818220 897780 1207399 1227330 1346670 2414798 2454660 2693340 3622197 4829596 6036995 7244394 10866591 12073990 14488788 15696187 18110985 21733182 24147980 31392374 36221970 43466364 47088561 54332955 62784748 72443940 78480935 94177122 108665910 141265683 156961870 188354244 217331820 235442805 282531366 313923740 470885610 565062732 706328415 941771220 1412656830 2825313660