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1430143120 = 245729831061
BaseRepresentation
bin101010100111110…
…0100000010010000
310200200001210112201
41111033210002100
510412104034440
6353524532544
750304005320
oct12517440220
93620053481
101430143120
1167430776a
1233ab51154
1319a3a3943
14d7d1b280
158584b19a
hex553e4090

1430143120 has 160 divisors (see below), whose sum is σ = 3982245120. Its totient is φ = 467281920.

The previous prime is 1430143093. The next prime is 1430143123. The reversal of 1430143120 is 213410341.

It is not an unprimeable number, because it can be changed into a prime (1430143123) 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, 1347390 + ... + 1348450.

It is an arithmetic number, because the mean of its divisors is an integer number (24889032).

Almost surely, 21430143120 is an apocalyptic number.

1430143120 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 1430143120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991122560).

1430143120 is an abundant number, since it is smaller than the sum of its proper divisors (2552102000).

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

1430143120 is a wasteful number, since it uses less digits than its factorization.

1430143120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1430143120 is about 37817.2331087297. The cubic root of 1430143120 is about 1126.6607557004.

Adding to 1430143120 its reverse (213410341), we get a palindrome (1643553461).

The spelling of 1430143120 in words is "one billion, four hundred thirty million, one hundred forty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 29 35 40 56 58 70 80 83 112 116 140 145 166 203 232 280 290 332 406 415 464 560 580 581 664 812 830 1015 1061 1160 1162 1328 1624 1660 2030 2122 2320 2324 2407 2905 3248 3320 4060 4244 4648 4814 5305 5810 6640 7427 8120 8488 9296 9628 10610 11620 12035 14854 16240 16849 16976 19256 21220 23240 24070 29708 30769 33698 37135 38512 42440 46480 48140 59416 61538 67396 74270 84245 84880 88063 96280 118832 123076 134792 148540 153845 168490 176126 192560 215383 246152 269584 297080 307690 336980 352252 430766 440315 492304 594160 615380 616441 673960 704504 861532 880630 1076915 1230760 1232882 1347920 1409008 1723064 1761260 2153830 2461520 2465764 2553827 3082205 3446128 3522520 4307660 4931528 5107654 6164410 7045040 8615320 9863056 10215308 12328820 12769135 17230640 17876789 20430616 24657640 25538270 35753578 40861232 49315280 51076540 71507156 89383945 102153080 143014312 178767890 204306160 286028624 357535780 715071560 1430143120