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130143160 = 235717191439
BaseRepresentation
bin1111100000111…
…01001110111000
3100001212221212001
413300131032320
5231304040120
620525230344
73140125060
oct760351670
9301787761
10130143160
116750a534
12377023b4
1320c689b4
14133da3a0
15b65ae0a
hex7c1d3b8

130143160 has 128 divisors (see below), whose sum is σ = 373248000. Its totient is φ = 39757824.

The previous prime is 130143157. The next prime is 130143161. The reversal of 130143160 is 61341031.

130143160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130143161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89721 + ... + 91159.

It is an arithmetic number, because the mean of its divisors is an integer number (2916000).

Almost surely, 2130143160 is an apocalyptic number.

130143160 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 130143160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186624000).

130143160 is an abundant number, since it is smaller than the sum of its proper divisors (243104840).

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

130143160 is a wasteful number, since it uses less digits than its factorization.

130143160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 130143160 is about 11408.0305048681. The cubic root of 130143160 is about 506.7655874108.

Adding to 130143160 its reverse (61341031), we get a palindrome (191484191).

The spelling of 130143160 in words is "one hundred thirty million, one hundred forty-three thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 17 19 20 28 34 35 38 40 56 68 70 76 85 95 119 133 136 140 152 170 190 238 266 280 323 340 380 476 532 595 646 665 680 760 952 1064 1190 1292 1330 1439 1615 2261 2380 2584 2660 2878 3230 4522 4760 5320 5756 6460 7195 9044 10073 11305 11512 12920 14390 18088 20146 22610 24463 27341 28780 40292 45220 48926 50365 54682 57560 80584 90440 97852 100730 109364 122315 136705 171241 191387 195704 201460 218728 244630 273410 342482 382774 402920 464797 489260 546820 684964 765548 856205 929594 956935 978520 1093640 1369928 1531096 1712410 1859188 1913870 2323985 3253579 3424820 3718376 3827740 4647970 6507158 6849640 7655480 9295940 13014316 16267895 18591880 26028632 32535790 65071580 130143160