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1313441200 = 24526749009
BaseRepresentation
bin100111001001001…
…1000010110110000
310101112110201121101
41032102120112300
510142220104300
6334155334144
744356031431
oct11622302660
93345421541
101313441200
116144488a5
12307a51354
1317c162c56
14c661d488
157a497b6a
hex4e4985b0

1313441200 has 60 divisors (see below), whose sum is σ = 3202705480. Its totient is φ = 517524480.

The previous prime is 1313441183. The next prime is 1313441209. The reversal of 1313441200 is 21443131.

It is not an unprimeable number, because it can be changed into a prime (1313441209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2296 + ... + 51304.

Almost surely, 21313441200 is an apocalyptic number.

1313441200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313441200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601352740).

1313441200 is an abundant number, since it is smaller than the sum of its proper divisors (1889264280).

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

1313441200 is a wasteful number, since it uses less digits than its factorization.

1313441200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49094 (or 49083 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1313441200 is about 36241.4293316365. The cubic root of 1313441200 is about 1095.1414369405.

Adding to 1313441200 its reverse (21443131), we get a palindrome (1334884331).

The spelling of 1313441200 in words is "one billion, three hundred thirteen million, four hundred forty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 67 80 100 134 200 268 335 400 536 670 1072 1340 1675 2680 3350 5360 6700 13400 26800 49009 98018 196036 245045 392072 490090 784144 980180 1225225 1960360 2450450 3283603 3920720 4900900 6567206 9801800 13134412 16418015 19603600 26268824 32836030 52537648 65672060 82090075 131344120 164180150 262688240 328360300 656720600 1313441200