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143102124 = 2232111729733
BaseRepresentation
bin10001000011110…
…01000010101100
3100222021100012200
420201321002230
5243113231444
622111101500
73355230234
oct1041710254
9328240180
10143102124
1173860820
123bb11890
1323855319
1415010cc4
15c86a969
hex88790ac

143102124 has 144 divisors (see below), whose sum is σ = 432825120. Its totient is φ = 39352320.

The previous prime is 143102111. The next prime is 143102131. The reversal of 143102124 is 421201341.

It is a super-2 number, since 2×1431021242 = 40956435786622752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 143102097 and 143102106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194862 + ... + 195594.

It is an arithmetic number, because the mean of its divisors is an integer number (3005730).

Almost surely, 2143102124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143102124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216412560).

143102124 is an abundant number, since it is smaller than the sum of its proper divisors (289722996).

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

143102124 is a wasteful number, since it uses less digits than its factorization.

143102124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 143102124 is about 11962.5299999624. The cubic root of 143102124 is about 523.0566082231.

Adding to 143102124 its reverse (421201341), we get a palindrome (564303465).

The spelling of 143102124 in words is "one hundred forty-three million, one hundred two thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 11 12 17 18 22 29 33 34 36 44 51 58 66 68 87 99 102 116 132 153 174 187 198 204 261 306 319 348 374 396 493 522 561 612 638 733 748 957 986 1044 1122 1276 1466 1479 1683 1914 1972 2199 2244 2871 2932 2958 3366 3828 4398 4437 5423 5742 5916 6597 6732 8063 8796 8874 10846 11484 12461 13194 16126 16269 17748 21257 21692 24189 24922 26388 32252 32538 37383 42514 48378 48807 49844 63771 65076 72567 74766 85028 96756 97614 112149 127542 137071 145134 149532 191313 195228 224298 233827 255084 274142 290268 361369 382626 411213 448596 467654 548284 701481 722738 765252 822426 935308 1084107 1233639 1402962 1445476 1644852 2104443 2168214 2467278 2805924 3252321 3975059 4208886 4336428 4934556 6504642 7950118 8417772 11925177 13009284 15900236 23850354 35775531 47700708 71551062 143102124