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223270978688 = 272375839327
BaseRepresentation
bin1100111111101111111…
…1001100010010000000
3210100022010201212221222
43033323333030102000
512124224332304223
6250322543534212
722062602001632
oct3177377142200
9710263655858
10223270978688
118676371299a
1237330bba368
1318092587754
14ab4098aa52
155c1b45e0c8
hex33fbfcc480

223270978688 has 32 divisors (see below), whose sum is σ = 464136687360. Its totient is φ = 106781771008.

The previous prime is 223270978621. The next prime is 223270978729. The reversal of 223270978688 is 886879072322.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×2232709786883 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223270978688.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37916720 + ... + 37922607.

It is an arithmetic number, because the mean of its divisors is an integer number (14504271480).

Almost surely, 2223270978688 is an apocalyptic number.

It is an amenable number.

223270978688 is an abundant number, since it is smaller than the sum of its proper divisors (240865708672).

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

223270978688 is an equidigital number, since it uses as much as digits as its factorization.

223270978688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75839364 (or 75839352 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 223270978688 in words is "two hundred twenty-three billion, two hundred seventy million, nine hundred seventy-eight thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 368 736 1472 2944 75839327 151678654 303357308 606714616 1213429232 1744304521 2426858464 3488609042 4853716928 6977218084 9707433856 13954436168 27908872336 55817744672 111635489344 223270978688