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1310001300 = 2232521785621
BaseRepresentation
bin100111000010101…
…0000100010010100
310101021222221221200
41032011100202110
510140330020200
6333553512500
744314553526
oct11605204224
93337887850
101310001300
11612509403
12306872730
1317b52a2ca
14c5da5a16
157a018800
hex4e150894

1310001300 has 108 divisors (see below), whose sum is σ = 4347713916. Its totient is φ = 328780800.

The previous prime is 1310001289. The next prime is 1310001347. The reversal of 1310001300 is 31000131.

It can be written as a sum of positive squares in 6 ways, for example, as 89756676 + 1220244624 = 9474^2 + 34932^2 .

It is a super-2 number, since 2×13100013002 = 3432206812003380000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27511 + ... + 58110.

Almost surely, 21310001300 is an apocalyptic number.

1310001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310001300 is an abundant number, since it is smaller than the sum of its proper divisors (3037712616).

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

1310001300 is a wasteful number, since it uses less digits than its factorization.

1310001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85658 (or 85648 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1310001300 is about 36193.9401005196. The cubic root of 1310001300 is about 1094.1845433073.

Adding to 1310001300 its reverse (31000131), we get a palindrome (1341001431).

The spelling of 1310001300 in words is "one billion, three hundred ten million, one thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 25 30 34 36 45 50 51 60 68 75 85 90 100 102 150 153 170 180 204 225 255 300 306 340 425 450 510 612 765 850 900 1020 1275 1530 1700 2550 3060 3825 5100 7650 15300 85621 171242 256863 342484 428105 513726 770589 856210 1027452 1284315 1455557 1541178 1712420 2140525 2568630 2911114 3082356 3852945 4281050 4366671 5137260 5822228 6421575 7277785 7705890 8562100 8733342 12843150 13100013 14555570 15411780 17466684 19264725 21833355 25686300 26200026 29111140 36388925 38529450 43666710 52400052 65500065 72777850 77058900 87333420 109166775 131000130 145555700 218333550 262000260 327500325 436667100 655000650 1310001300