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143204214440 = 235717291037411
BaseRepresentation
bin1000010101011110100…
…0101110011010101000
3111200122010222211122002
42011113220232122220
54321240234330230
6145442003150132
713226506511240
oct2052750563250
9450563884562
10143204214440
1155807055951
1223906975348
1310672677b81
146d06dd2b20
153ad21a3545
hex2157a2e6a8

143204214440 has 128 divisors (see below), whose sum is σ = 403345785600. Its totient is φ = 44616929280.

The previous prime is 143204214421. The next prime is 143204214443. The reversal of 143204214440 is 44412402341.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (143204214443) 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, 380666 + ... + 656745.

It is an arithmetic number, because the mean of its divisors is an integer number (3151138950).

Almost surely, 2143204214440 is an apocalyptic number.

143204214440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143204214440 is an abundant number, since it is smaller than the sum of its proper divisors (260141571160).

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

143204214440 is a wasteful number, since it uses less digits than its factorization.

143204214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037475 (or 1037471 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 143204214440 its reverse (44412402341), we get a palindrome (187616616781).

The spelling of 143204214440 in words is "one hundred forty-three billion, two hundred four million, two hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 29 34 35 40 56 58 68 70 85 116 119 136 140 145 170 203 232 238 280 290 340 406 476 493 580 595 680 812 952 986 1015 1160 1190 1624 1972 2030 2380 2465 3451 3944 4060 4760 4930 6902 8120 9860 13804 17255 19720 27608 34510 69020 138040 1037411 2074822 4149644 5187055 7261877 8299288 10374110 14523754 17635987 20748220 29047508 30084919 35271974 36309385 41496440 58095016 60169838 70543948 72618770 88179935 120339676 123451909 141087896 145237540 150424595 176359870 210594433 240679352 246903818 290475080 300849190 352719740 421188866 493807636 511443623 601698380 617259545 705439480 842377732 987615272 1022887246 1052972165 1203396760 1234519090 1684755464 2045774492 2105944330 2469038180 2557218115 3580105361 4091548984 4211888660 4938076360 5114436230 7160210722 8423777320 10228872460 14320421444 17900526805 20457744920 28640842888 35801053610 71602107220 143204214440