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313013031300 = 223252449774593
BaseRepresentation
bin1001000111000010000…
…01111101000110000100
31002220221102020111210100
410203201001331012010
520112022314000200
6355443551324100
731420516603164
oct4434101750604
91086842214710
10313013031300
11110825772322
12507b7520630
1323694b13b28
14112155005a4
15821ed36d00
hex48e107d184

313013031300 has 108 divisors (see below), whose sum is σ = 983308353300. Its totient is φ = 83284131840.

The previous prime is 313013031277. The next prime is 313013031319. The reversal of 313013031300 is 3130310313.

313013031300 is a `hidden beast` number, since 3 + 1 + 301 + 30 + 31 + 300 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 201015684 + 312812015616 = 14178^2 + 559296^2 .

It is a super-2 number, since 2×3130130313002 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16804 + ... + 791396.

It is an arithmetic number, because the mean of its divisors is an integer number (9104706975).

Almost surely, 2313013031300 is an apocalyptic number.

313013031300 is a gapful number since it is divisible by the number (30) 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 313013031300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491654176650).

313013031300 is an abundant number, since it is smaller than the sum of its proper divisors (670295322000).

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

313013031300 is a wasteful number, since it uses less digits than its factorization.

313013031300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775062 (or 775052 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 313013031300 its reverse (3130310313), we get a palindrome (316143341613).

The spelling of 313013031300 in words is "three hundred thirteen billion, thirteen million, thirty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 449 450 898 900 1347 1796 2245 2694 4041 4490 5388 6735 8082 8980 11225 13470 16164 20205 22450 26940 33675 40410 44900 67350 80820 101025 134700 202050 404100 774593 1549186 2323779 3098372 3872965 4647558 6971337 7745930 9295116 11618895 13942674 15491860 19364825 23237790 27885348 34856685 38729650 46475580 58094475 69713370 77459300 116188950 139426740 174283425 232377900 347792257 348566850 695584514 697133700 1043376771 1391169028 1738961285 2086753542 3130130313 3477922570 4173507084 5216883855 6260260626 6955845140 8694806425 10433767710 12520521252 15650651565 17389612850 20867535420 26084419275 31301303130 34779225700 52168838550 62602606260 78253257825 104337677100 156506515650 313013031300