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149443212871 = 8310117826937
BaseRepresentation
bin1000101100101110000…
…0100111011001000111
3112021201221202210112001
42023023200213121013
54422024430302441
6152353034410131
713540225231111
oct2131340473107
9467657683461
10149443212871
11584188857a7
1224b68290947
1311128103914
1473398563b1
153d49c9a731
hex22cb827647

149443212871 has 8 divisors (see below), whose sum is σ = 152741204784. Its totient is φ = 146180875200.

The previous prime is 149443212823. The next prime is 149443212907. The reversal of 149443212871 is 178212344941.

It is a happy number.

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 149443212871 - 211 = 149443210823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149443212811) 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, 8905086 + ... + 8921851.

It is an arithmetic number, because the mean of its divisors is an integer number (19092650598).

Almost surely, 2149443212871 is an apocalyptic number.

149443212871 is a deficient number, since it is larger than the sum of its proper divisors (3297991913).

149443212871 is a wasteful number, since it uses less digits than its factorization.

149443212871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17827121.

The product of its digits is 387072, while the sum is 46.

The spelling of 149443212871 in words is "one hundred forty-nine billion, four hundred forty-three million, two hundred twelve thousand, eight hundred seventy-one".

Divisors: 1 83 101 8383 17826937 1479635771 1800520637 149443212871