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143664146350550 = 25271997205542809
BaseRepresentation
bin100000101010100101101010…
…011010010000000111010110
3200211200011021101001002221122
4200222211222122100013112
5122312243132431204200
61225314221523443542
742155251321262360
oct4052455232200726
9624604241032848
10143664146350550
1141859693331071
12141430a7b265b2
13622161766b437
14276954b889d30
15119207a334385
hex82a96a6901d6

143664146350550 has 48 divisors (see below), whose sum is σ = 305541853578720. Its totient is φ = 49231613372160.

The previous prime is 143664146350519. The next prime is 143664146350601. The reversal of 143664146350550 is 55053641466341.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143664146350492 and 143664146350501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102072455 + ... + 103470354.

It is an arithmetic number, because the mean of its divisors is an integer number (6365455282890).

Almost surely, 2143664146350550 is an apocalyptic number.

143664146350550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143664146350550 is an abundant number, since it is smaller than the sum of its proper divisors (161877707228170).

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

143664146350550 is a wasteful number, since it uses less digits than its factorization.

143664146350550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205544825 (or 205544820 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 143664146350550 in words is "one hundred forty-three trillion, six hundred sixty-four billion, one hundred forty-six million, three hundred fifty thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1997 3994 9985 13979 19970 27958 49925 69895 99850 139790 349475 698950 205542809 411085618 1027714045 1438799663 2055428090 2877599326 5138570225 7193998315 10277140450 14387996630 35969991575 71939983150 410468989573 820937979146 2052344947865 2873282927011 4104689895730 5746565854022 10261724739325 14366414635055 20523449478650 28732829270110 71832073175275 143664146350550