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212896861800 = 23352750689729
BaseRepresentation
bin1100011001000110100…
…1000100111001101000
3202100112011000010221120
43012101221010321220
511442003044034200
6241445314335240
721244532316120
oct3062151047150
9670464003846
10212896861800
118231a801377
123531688a520
13170cb21bb4c
14a438c7dc80
1558108019a0
hex3191a44e68

212896861800 has 96 divisors (see below), whose sum is σ = 754263182400. Its totient is φ = 48662138880.

The previous prime is 212896861799. The next prime is 212896861817. The reversal of 212896861800 is 8168698212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25340665 + ... + 25349064.

It is an arithmetic number, because the mean of its divisors is an integer number (7856908150).

Almost surely, 2212896861800 is an apocalyptic number.

212896861800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212896861800 is an abundant number, since it is smaller than the sum of its proper divisors (541366320600).

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

212896861800 is a wasteful number, since it uses less digits than its factorization.

212896861800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50689755 (or 50689746 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 212896861800 in words is "two hundred twelve billion, eight hundred ninety-six million, eight hundred sixty-one thousand, eight hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 140 150 168 175 200 210 280 300 350 420 525 600 700 840 1050 1400 2100 4200 50689729 101379458 152069187 202758916 253448645 304138374 354828103 405517832 506897290 608276748 709656206 760345935 1013794580 1064484309 1216553496 1267243225 1419312412 1520691870 1774140515 2027589160 2128968618 2534486450 2838624824 3041383740 3548281030 3801729675 4257937236 5068972900 5322421545 6082767480 7096562060 7603459350 8515874472 8870702575 10137945800 10644843090 14193124120 15206918700 17741405150 21289686180 26612107725 30413837400 35482810300 42579372360 53224215450 70965620600 106448430900 212896861800