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143924169520 = 24513912942821
BaseRepresentation
bin1000011000001010001…
…1001000101100110000
3111202111022201100100001
42012002203020230300
54324224041411040
6150041242235344
713253401153525
oct2060243105460
9452438640301
10143924169520
115604649484a
1223a87ab5b54
13107588830b1
146d7488314c
153b254b859a
hex21828c8b30

143924169520 has 40 divisors (see below), whose sum is σ = 337031084880. Its totient is φ = 57155493120.

The previous prime is 143924169481. The next prime is 143924169527. The reversal of 143924169520 is 25961429341.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (143924169527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6460291 + ... + 6482530.

It is an arithmetic number, because the mean of its divisors is an integer number (8425777122).

Almost surely, 2143924169520 is an apocalyptic number.

143924169520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143924169520 is an abundant number, since it is smaller than the sum of its proper divisors (193106915360).

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

143924169520 is a wasteful number, since it uses less digits than its factorization.

143924169520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12942973 (or 12942967 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 143924169520 in words is "one hundred forty-three billion, nine hundred twenty-four million, one hundred sixty-nine thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 139 278 556 695 1112 1390 2224 2780 5560 11120 12942821 25885642 51771284 64714105 103542568 129428210 207085136 258856420 517712840 1035425680 1799052119 3598104238 7196208476 8995260595 14392416952 17990521190 28784833904 35981042380 71962084760 143924169520