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1313300120 = 235112318753
BaseRepresentation
bin100111001000111…
…0101111010011000
310101112012120002012
41032101311322120
510142201100440
6334152325052
744354603216
oct11621657230
93345176065
101313300120
11614361900
123079a3788
1317c113982
14c65c3cb6
157a46ae65
hex4e475e98

1313300120 has 96 divisors (see below), whose sum is σ = 3353132160. Its totient is φ = 462105600.

The previous prime is 1313300117. The next prime is 1313300123. The reversal of 1313300120 is 210033131.

It is an interprime number because it is at equal distance from previous prime (1313300117) and next prime (1313300123).

It is a junction number, because it is equal to n+sod(n) for n = 1313300095 and 1313300104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313300123) 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, 145664 + ... + 154416.

It is an arithmetic number, because the mean of its divisors is an integer number (34928460).

Almost surely, 21313300120 is an apocalyptic number.

1313300120 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 1313300120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676566080).

1313300120 is an abundant number, since it is smaller than the sum of its proper divisors (2039832040).

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

1313300120 is a wasteful number, since it uses less digits than its factorization.

1313300120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8817 (or 8802 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1313300120 is about 36239.4828881429. The cubic root of 1313300120 is about 1095.1022249108.

Adding to 1313300120 its reverse (210033131), we get a palindrome (1523333251).

The spelling of 1313300120 in words is "one billion, three hundred thirteen million, three hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 31 40 44 55 62 88 110 121 124 155 220 242 248 310 341 440 484 605 620 682 968 1210 1240 1364 1705 2420 2728 3410 3751 4840 6820 7502 8753 13640 15004 17506 18755 30008 35012 37510 43765 70024 75020 87530 96283 150040 175060 192566 271343 350120 385132 481415 542686 770264 962830 1059113 1085372 1356715 1925660 2118226 2170744 2713430 2984773 3851320 4236452 5295565 5426860 5969546 8472904 10591130 10853720 11939092 14923865 21182260 23878184 29847730 32832503 42364520 59695460 65665006 119390920 131330012 164162515 262660024 328325030 656650060 1313300120