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143030241234 = 23317477014729
BaseRepresentation
bin1000010100110101000…
…1000100011111010010
3111200012000122002021000
42011031101010133102
54320411220204414
6145412430242430
713222264663566
oct2051521043722
9450160562230
10143030241234
115572792a241
1223878656416
131064560424a
146ccbc676a6
153ac1c8ab09
hex214d4447d2

143030241234 has 128 divisors (see below), whose sum is σ = 344265292800. Its totient is φ = 43845580800.

The previous prime is 143030241223. The next prime is 143030241239. The reversal of 143030241234 is 432142030341.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 143030241198 and 143030241207.

It is not an unprimeable number, because it can be changed into a prime (143030241239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30242982 + ... + 30247710.

It is an arithmetic number, because the mean of its divisors is an integer number (2689572600).

Almost surely, 2143030241234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143030241234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172132646400).

143030241234 is an abundant number, since it is smaller than the sum of its proper divisors (201235051566).

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

143030241234 is a wasteful number, since it uses less digits than its factorization.

143030241234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505 (or 5499 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 143030241234 its reverse (432142030341), we get a palindrome (575172271575).

The spelling of 143030241234 in words is "one hundred forty-three billion, thirty million, two hundred forty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 27 34 47 51 54 94 102 141 153 282 306 423 459 701 799 846 918 1269 1402 1598 2103 2397 2538 4206 4729 4794 6309 7191 9458 11917 12618 14187 14382 18927 21573 23834 28374 32947 35751 37854 42561 43146 65894 71502 80393 85122 98841 107253 127683 160786 197682 214506 222263 241179 255366 296523 321759 444526 482358 560099 593046 643518 666789 723537 889569 1120198 1333578 1447074 1680297 1779138 2000367 2170611 3315029 3360594 3778471 4000734 4341222 5040891 6001101 6630058 7556942 9945087 10081782 11335413 12002202 15122673 19890174 22670826 29835261 30245346 34006239 56355493 59670522 68012478 89505783 102018717 112710986 155806363 169066479 179011566 204037434 311612726 338132958 467419089 507199437 934838178 1014398874 1402257267 1521598311 2648708171 2804514534 3043196622 4206771801 5297416342 7946124513 8413543602 15892249026 23838373539 47676747078 71515120617 143030241234