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1313315000 = 23543137229
BaseRepresentation
bin100111001000111…
…1001100010111000
310101112020022111022
41032101321202320
510142202040000
6334152522012
744354664464
oct11621714270
93345208438
101313315000
11614371aa8
123079b0308
1317c11a68a
14c65c94a4
157a470585
hex4e4798b8

1313315000 has 160 divisors (see below), whose sum is σ = 3276451200. Its totient is φ = 492480000.

The previous prime is 1313314997. The next prime is 1313315009. The reversal of 1313315000 is 5133131.

It is a self number, because there is not a number n which added to its sum of digits gives 1313315000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313315009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5734886 + ... + 5735114.

It is an arithmetic number, because the mean of its divisors is an integer number (20477820).

Almost surely, 21313315000 is an apocalyptic number.

1313315000 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 1313315000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638225600).

1313315000 is an abundant number, since it is smaller than the sum of its proper divisors (1963136200).

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

1313315000 is a wasteful number, since it uses less digits than its factorization.

1313315000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 1313315000 is about 36239.6881885041. The cubic root of 1313315000 is about 1095.1063608173.

Adding to 1313315000 its reverse (5133131), we get a palindrome (1318448131).

The spelling of 1313315000 in words is "one billion, three hundred thirteen million, three hundred fifteen thousand".

Divisors: 1 2 4 5 8 10 20 25 31 37 40 50 62 74 100 124 125 148 155 185 200 229 248 250 296 310 370 458 500 620 625 740 775 916 925 1000 1145 1147 1240 1250 1480 1550 1832 1850 2290 2294 2500 3100 3700 3875 4580 4588 4625 5000 5725 5735 6200 7099 7400 7750 8473 9160 9176 9250 11450 11470 14198 15500 16946 18500 19375 22900 22940 23125 28396 28625 28675 31000 33892 35495 37000 38750 42365 45800 45880 46250 56792 57250 57350 67784 70990 77500 84730 92500 114500 114700 141980 143125 143375 155000 169460 177475 185000 211825 229000 229400 262663 283960 286250 286750 338920 354950 423650 525326 572500 573500 709900 716875 847300 887375 1050652 1059125 1145000 1147000 1313315 1419800 1433750 1694600 1774750 2101304 2118250 2626630 2867500 3549500 4236500 4436875 5253260 5295625 5735000 6566575 7099000 8473000 8873750 10506520 10591250 13133150 17747500 21182500 26266300 32832875 35495000 42365000 52532600 65665750 131331500 164164375 262663000 328328750 656657500 1313315000