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6868651000 = 2353231072791
BaseRepresentation
bin1100110010110011…
…10100101111111000
3122201200120121211111
412121121310233320
5103031333313000
63053323010104
7332132366401
oct63131645770
918650517744
106868651000
112a051a1182
1213b8369934
13856037443
144923289a8
152a3020cba
hex199674bf8

6868651000 has 128 divisors (see below), whose sum is σ = 16934261760. Its totient is φ = 2602512000.

The previous prime is 6868650989. The next prime is 6868651033. The reversal of 6868651000 is 1568686.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

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 31 ways as a sum of consecutive naturals, for example, 2459605 + ... + 2462395.

It is an arithmetic number, because the mean of its divisors is an integer number (132298920).

Almost surely, 26868651000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6868651000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8467130880).

6868651000 is an abundant number, since it is smaller than the sum of its proper divisors (10065610760).

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

6868651000 is a wasteful number, since it uses less digits than its factorization.

6868651000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942 (or 2928 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 6868651000 is about 82877.3250050941. The cubic root of 6868651000 is about 1900.8907181011.

The spelling of 6868651000 in words is "six billion, eight hundred sixty-eight million, six hundred fifty-one thousand".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 107 115 125 184 200 214 230 250 428 460 500 535 575 856 920 1000 1070 1150 2140 2300 2461 2675 2791 2875 4280 4600 4922 5350 5582 5750 9844 10700 11164 11500 12305 13375 13955 19688 21400 22328 23000 24610 26750 27910 49220 53500 55820 61525 64193 69775 98440 107000 111640 123050 128386 139550 246100 256772 279100 298637 307625 320965 348875 492200 513544 558200 597274 615250 641930 697750 1194548 1230500 1283860 1395500 1493185 1604825 2389096 2461000 2567720 2791000 2986370 3209650 5972740 6419300 6868651 7465925 8024125 11945480 12838600 13737302 14931850 16048250 27474604 29863700 32096500 34343255 37329625 54949208 59727400 64193000 68686510 74659250 137373020 149318500 171716275 274746040 298637000 343432550 686865100 858581375 1373730200 1717162750 3434325500 6868651000