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1222005008320 = 2654781250333
BaseRepresentation
bin10001110010000101001…
…011001010011111000000
311022211012122000100120121
4101302011023022133000
5130010131240231240
62333214212150024
7154200265121155
oct21620513123700
94284178010517
101222005008320
11431281a73588
121789bb008314
138b3084a14a5
1443206c1022c
1521bc19a804a
hex11c852ca7c0

1222005008320 has 56 divisors (see below), whose sum is σ = 2971812216384. Its totient is φ = 478401954816.

The previous prime is 1222005008317. The next prime is 1222005008321. The reversal of 1222005008320 is 238005002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222005008321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40610127 + ... + 40640206.

Almost surely, 21222005008320 is an apocalyptic number.

1222005008320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222005008320 is an abundant number, since it is smaller than the sum of its proper divisors (1749807208064).

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

1222005008320 is an equidigital number, since it uses as much as digits as its factorization.

1222005008320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81250397 (or 81250387 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 1222005008320 in words is "one trillion, two hundred twenty-two billion, five million, eight thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 64 80 94 160 188 235 320 376 470 752 940 1504 1880 3008 3760 7520 15040 81250333 162500666 325001332 406251665 650002664 812503330 1300005328 1625006660 2600010656 3250013320 3818765651 5200021312 6500026640 7637531302 13000053280 15275062604 19093828255 26000106560 30550125208 38187656510 61100250416 76375313020 122200500832 152750626040 244401001664 305501252080 611002504160 1222005008320