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1313023103200 = 25521641278879
BaseRepresentation
bin10011000110110110010…
…001101001000011100000
311122112010211121122022201
4103012312101221003200
5133003032403300300
62443110001542544
7163601636141314
oct23066621510340
94575124548281
101313023103200
114669393473a6
12192580944a54
1396a821c7b73
144779d009b44
152424c3dc66a
hex131b64690e0

1313023103200 has 36 divisors (see below), whose sum is σ = 3205417652640. Its totient is φ = 525209240960.

The previous prime is 1313023103179. The next prime is 1313023103201. The reversal of 1313023103200 is 23013203131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313023103201) 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 5 ways as a sum of consecutive naturals, for example, 820638640 + ... + 820640239.

It is an arithmetic number, because the mean of its divisors is an integer number (89039379240).

Almost surely, 21313023103200 is an apocalyptic number.

1313023103200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313023103200 is an abundant number, since it is smaller than the sum of its proper divisors (1892394549440).

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

1313023103200 is a wasteful number, since it uses less digits than its factorization.

1313023103200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641278899 (or 1641278886 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1313023103200 its reverse (23013203131), we get a palindrome (1336036306331).

The spelling of 1313023103200 in words is "one trillion, three hundred thirteen billion, twenty-three million, one hundred three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1641278879 3282557758 6565115516 8206394395 13130231032 16412788790 26260462064 32825577580 41031971975 52520924128 65651155160 82063943950 131302310320 164127887900 262604620640 328255775800 656511551600 1313023103200