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120320130 = 23572329859
BaseRepresentation
bin1110010101111…
…11000010000010
322101101220012010
413022333002002
5221300221010
615534513350
72660463360
oct712770202
9271356163
10120320130
1161a10327
1234365856
131bc09858
1411da0630
15a86a620
hex72bf082

120320130 has 128 divisors (see below), whose sum is σ = 356659200. Its totient is φ = 25369344.

The previous prime is 120320111. The next prime is 120320173. The reversal of 120320130 is 31023021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139641 + ... + 140499.

It is an arithmetic number, because the mean of its divisors is an integer number (2786400).

Almost surely, 2120320130 is an apocalyptic number.

120320130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120320130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178329600).

120320130 is an abundant number, since it is smaller than the sum of its proper divisors (236339070).

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

120320130 is a wasteful number, since it uses less digits than its factorization.

120320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 120320130 is about 10969.0532864053. The cubic root of 120320130 is about 493.6806412214.

Adding to 120320130 its reverse (31023021), we get a palindrome (151343151).

The spelling of 120320130 in words is "one hundred twenty million, three hundred twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 29 30 35 42 46 58 69 70 87 105 115 138 145 161 174 203 210 230 290 322 345 406 435 483 609 667 690 805 859 870 966 1015 1218 1334 1610 1718 2001 2030 2415 2577 3045 3335 4002 4295 4669 4830 5154 6013 6090 6670 8590 9338 10005 12026 12885 14007 18039 19757 20010 23345 24911 25770 28014 30065 36078 39514 46690 49822 59271 60130 70035 74733 90195 98785 118542 124555 138299 140070 149466 174377 180390 197570 249110 276598 296355 348754 373665 414897 523131 572953 592710 691495 747330 829794 871885 1046262 1145906 1382990 1718859 1743770 2074485 2615655 2864765 3437718 4010671 4148970 5231310 5729530 8021342 8594295 12032013 17188590 20053355 24064026 40106710 60160065 120320130