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1305145222300 = 2252411072975029
BaseRepresentation
bin10010111111100000101…
…101111010010010011100
311121202210210222211100001
4102333200231322102130
5132340414134103200
62435324143344044
7163202500226443
oct22774055722234
94552723884301
101305145222300
114635664a8927
12190b425b2024
13960c807138a
1447252a4dd5a
1523e3a9b576a
hex12fe0b7a49c

1305145222300 has 72 divisors (see below), whose sum is σ = 2928357729360. Its totient is φ = 504564748800.

The previous prime is 1305145222291. The next prime is 1305145222349. The reversal of 1305145222300 is 32225415031.

It is a congruent number.

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, 1048815 + ... + 1926214.

It is an arithmetic number, because the mean of its divisors is an integer number (40671635130).

Almost surely, 21305145222300 is an apocalyptic number.

1305145222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1305145222300 is an abundant number, since it is smaller than the sum of its proper divisors (1623212507060).

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

1305145222300 is a wasteful number, since it uses less digits than its factorization.

1305145222300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975191 (or 2975184 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 1305145222300 in words is "one trillion, three hundred five billion, one hundred forty-five million, two hundred twenty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 107 164 205 214 410 428 535 820 1025 1070 2050 2140 2675 4100 4387 5350 8774 10700 17548 21935 43870 87740 109675 219350 438700 2975029 5950058 11900116 14875145 29750290 59500580 74375725 121976189 148751450 243952378 297502900 318328103 487904756 609880945 636656206 1219761890 1273312412 1591640515 2439523780 3049404725 3183281030 6098809450 6366562060 7958202575 12197618900 13051452223 15916405150 26102904446 31832810300 52205808892 65257261115 130514522230 261029044460 326286305575 652572611150 1305145222300