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143068518 = 2341953877
BaseRepresentation
bin10001000011100…
…00110101100110
3100222012122010000
420201300311212
5243111143033
622110242130
73355030245
oct1041606546
9328178100
10143068518
117383854a
123bab6346
1323842c38
141500295c
15c860a13
hex8870d66

143068518 has 80 divisors (see below), whose sum is σ = 344211120. Its totient is φ = 44276544.

The previous prime is 143068489. The next prime is 143068543. The reversal of 143068518 is 815860341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 162696 + ... + 163572.

It is an arithmetic number, because the mean of its divisors is an integer number (4302639).

Almost surely, 2143068518 is an apocalyptic number.

143068518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143068518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172105560).

143068518 is an abundant number, since it is smaller than the sum of its proper divisors (201142602).

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

143068518 is a wasteful number, since it uses less digits than its factorization.

143068518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 143068518 is about 11961.1252815109. The cubic root of 143068518 is about 523.0156602715.

The spelling of 143068518 in words is "one hundred forty-three million, sixty-eight thousand, five hundred eighteen".

Divisors: 1 2 3 6 9 18 19 27 38 53 54 57 81 106 114 159 162 171 318 342 477 513 877 954 1007 1026 1431 1539 1754 2014 2631 2862 3021 3078 4293 5262 6042 7893 8586 9063 15786 16663 18126 23679 27189 33326 46481 47358 49989 54378 71037 81567 92962 99978 139443 142074 149967 163134 278886 299934 418329 449901 836658 883139 899802 1254987 1349703 1766278 2509974 2649417 2699406 3764961 5298834 7529922 7948251 15896502 23844753 47689506 71534259 143068518