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143315105466 = 231323129161879
BaseRepresentation
bin1000010101111000111…
…1101111011010111010
3111200220212122200112010
42011132033233122322
54322002131333331
6145501004030350
713232324203551
oct2053617573272
9450825580463
10143315105466
1155863705a25
1223937b323b6
131068c632970
146d17a1ad98
153adbca9e46
hex215e3ef6ba

143315105466 has 64 divisors (see below), whose sum is σ = 322354206720. Its totient is φ = 42146343360.

The previous prime is 143315105459. The next prime is 143315105467. The reversal of 143315105466 is 664501513341.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (143315105467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2285115 + ... + 2346993.

It is an arithmetic number, because the mean of its divisors is an integer number (5036784480).

Almost surely, 2143315105466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143315105466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161177103360).

143315105466 is an abundant number, since it is smaller than the sum of its proper divisors (179039101254).

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

143315105466 is a wasteful number, since it uses less digits than its factorization.

143315105466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63211.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 143315105466 in words is "one hundred forty-three billion, three hundred fifteen million, one hundred five thousand, four hundred sixty-six".

Divisors: 1 2 3 6 13 23 26 39 46 69 78 138 299 598 897 1291 1794 2582 3873 7746 16783 29693 33566 50349 59386 61879 89079 100698 123758 178158 185637 371274 386009 772018 804427 1158027 1423217 1608854 2316054 2413281 2846434 4269651 4826562 8539302 18501821 37003642 55505463 79885789 111010926 159771578 239657367 479314734 1038515257 1837373147 2077030514 3115545771 3674746294 5512119441 6231091542 11024238882 23885850911 47771701822 71657552733 143315105466