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13001131300 = 22526110719919
BaseRepresentation
bin11000001101110110…
…11000010100100100
31020120001220220022111
430012323120110210
5203111242200200
65550031210404
7640115535613
oct140673302444
936501826274
1013001131300
115571888413
12262a076a04
1312c26a9901
148b498187a
155115c70ba
hex306ed8524

13001131300 has 72 divisors (see below), whose sum is σ = 28944397440. Its totient is φ = 5067139200.

The previous prime is 13001131291. The next prime is 13001131309. The reversal of 13001131300 is 313110031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13001131291) and next prime (13001131309).

It is not an unprimeable number, because it can be changed into a prime (13001131309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642741 + ... + 662659.

It is an arithmetic number, because the mean of its divisors is an integer number (402005520).

Almost surely, 213001131300 is an apocalyptic number.

13001131300 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 13001131300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14472198720).

13001131300 is an abundant number, since it is smaller than the sum of its proper divisors (15943266140).

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

13001131300 is a wasteful number, since it uses less digits than its factorization.

13001131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20101 (or 20094 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 13001131300 its reverse (313110031), we get a palindrome (13314241331).

The spelling of 13001131300 in words is "thirteen billion, one million, one hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 107 122 214 244 305 428 535 610 1070 1220 1525 2140 2675 3050 5350 6100 6527 10700 13054 19919 26108 32635 39838 65270 79676 99595 130540 163175 199190 326350 398380 497975 652700 995950 1215059 1991900 2131333 2430118 4262666 4860236 6075295 8525332 10656665 12150590 21313330 24301180 30376475 42626660 53283325 60752950 106566650 121505900 130011313 213133300 260022626 520045252 650056565 1300113130 2600226260 3250282825 6500565650 13001131300