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220813374208 = 287217603107
BaseRepresentation
bin1100110110100110000…
…0001011001100000000
3210002221212022122101211
43031221200023030000
512104211210433313
6245235032535504
721644650466200
oct3155140131400
9702855278354
10220813374208
1185712436309
1236965b51594
1317a9038030b
14a98a414400
155b25809e3d
hex336980b300

220813374208 has 54 divisors (see below), whose sum is σ = 512725726716. Its totient is φ = 94634297856.

The previous prime is 220813374191. The next prime is 220813374209. The reversal of 220813374208 is 802473318022.

It is not an unprimeable number, because it can be changed into a prime (220813374209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8789010 + ... + 8814097.

Almost surely, 2220813374208 is an apocalyptic number.

220813374208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

220813374208 is an abundant number, since it is smaller than the sum of its proper divisors (291912352508).

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

220813374208 is an equidigital number, since it uses as much as digits as its factorization.

220813374208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603137 (or 17603116 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 220813374208 in words is "two hundred twenty billion, eight hundred thirteen million, three hundred seventy-four thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1568 1792 3136 6272 12544 17603107 35206214 70412428 123221749 140824856 246443498 281649712 492886996 563299424 862552243 985773992 1126598848 1725104486 1971547984 2253197696 3450208972 3943095968 4506395392 6900417944 7886191936 13800835888 15772383872 27601671776 31544767744 55203343552 110406687104 220813374208