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1200313319985 = 325134994111859
BaseRepresentation
bin10001011101111000001…
…111111100001000110001
311020202012220021102012100
4101131320033330020301
5124131220202214420
62315225532051013
7152501611610253
oct21357017741061
94222186242170
101200313319985
1142306063902a
12174766603a69
138925c49a550
1442149da7cd3
152135247b190
hex117783fc231

1200313319985 has 48 divisors (see below), whose sum is σ = 2245075560000. Its totient is φ = 589739121792.

The previous prime is 1200313319971. The next prime is 1200313320029. The reversal of 1200313319985 is 5899133130021.

1200313319985 is a `hidden beast` number, since 1 + 200 + 31 + 331 + 9 + 9 + 85 = 666.

It is not a de Polignac number, because 1200313319985 - 217 = 1200313188913 is a prime.

It is a super-2 number, since 2×12003133199852 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1200313319985.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1764015 + ... + 2347844.

It is an arithmetic number, because the mean of its divisors is an integer number (46772407500).

Almost surely, 21200313319985 is an apocalyptic number.

1200313319985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1200313319985 is a deficient number, since it is larger than the sum of its proper divisors (1044762240015).

1200313319985 is a wasteful number, since it uses less digits than its factorization.

1200313319985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112382 (or 4112379 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 1200313319985 in words is "one trillion, two hundred billion, three hundred thirteen million, three hundred nineteen thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 499 585 1497 2495 4491 6487 7485 19461 22455 32435 58383 97305 291915 4111859 12335577 20559295 37006731 53454167 61677885 160362501 185033655 267270835 481087503 801812505 2051817641 2405437515 6155452923 10259088205 18466358769 26673629333 30777264615 80020887999 92331793845 133368146665 240062663997 400104439995 1200313319985