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11873371225 = 52192312372
BaseRepresentation
bin10110000111011010…
…10100010001011001
31010122110211202022211
423003231110101121
5143304040334400
65242103315121
7600142663432
oct130355242131
933573752284
1011873371225
1150432325a1
12237444baa1
131172b59661
14808c98489
154975aadba
hex2c3b54459

11873371225 has 81 divisors (see below), whose sum is σ = 16501750461. Its totient is φ = 8473118400.

The previous prime is 11873371141. The next prime is 11873371253. The reversal of 11873371225 is 52217337811.

The square root of 11873371225 is 108965.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1127146329 + 10746224896 = 33573^2 + 103664^2 .

It is not a de Polignac number, because 11873371225 - 217 = 11873240153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 320901907 + ... + 320901943.

Almost surely, 211873371225 is an apocalyptic number.

11873371225 is the 108965-th square number.

11873371225 is the 54483-rd centered octagonal number.

It is an amenable number.

11873371225 is a deficient number, since it is larger than the sum of its proper divisors (4628379236).

11873371225 is an equidigital number, since it uses as much as digits as its factorization.

11873371225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 92 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The spelling of 11873371225 in words is "eleven billion, eight hundred seventy-three million, three hundred seventy-one thousand, two hundred twenty-five".

Divisors: 1 5 19 25 31 37 95 155 185 361 475 589 703 775 925 961 1147 1369 1805 2945 3515 4805 5735 6845 9025 11191 13357 14725 17575 18259 21793 24025 26011 28675 34225 35557 42439 55955 66785 91295 108965 130055 177785 212195 279775 333925 346921 414067 456475 494209 544825 650275 675583 806341 888925 1060975 1315609 1734605 2070335 2471045 3377915 4031705 6578045 8673025 10351675 12355225 12836077 15320479 16889575 20158525 24996571 32890225 64180385 76602395 124982855 320901925 383011975 474934849 624914275 2374674245 11873371225