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143666311443143 = 1924131375040717
BaseRepresentation
bin100000101010100111101011…
…011101011011001011000111
3200211200100212021001012122012
4200222213223131123023013
5122312312101212140033
61225315220425124435
742155356061253566
oct4052475335331307
9624610767035565
10143666311443143
114185a5a4489195
12141435b102971b
1362218a109a208
1427696b523bbdd
151192155458248
hex82a9eb75b2c7

143666311443143 has 8 divisors (see below), whose sum is σ = 151855197075120. Its totient is φ = 135540175893120.

The previous prime is 143666311443089. The next prime is 143666311443163. The reversal of 143666311443143 is 341344113666341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143666311443143 - 28 = 143666311442887 is a prime.

It is a super-2 number, since 2×1436663114431432 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143666311443091 and 143666311443100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143666311443163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15687515780 + ... + 15687524937.

It is an arithmetic number, because the mean of its divisors is an integer number (18981899634390).

Almost surely, 2143666311443143 is an apocalyptic number.

143666311443143 is a deficient number, since it is larger than the sum of its proper divisors (8188885631977).

143666311443143 is a wasteful number, since it uses less digits than its factorization.

143666311443143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31375040977.

The product of its digits is 4478976, while the sum is 50.

The spelling of 143666311443143 in words is "one hundred forty-three trillion, six hundred sixty-six billion, three hundred eleven million, four hundred forty-three thousand, one hundred forty-three".

Divisors: 1 19 241 4579 31375040717 596125773623 7561384812797 143666311443143