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201210144445 = 5691123147309
BaseRepresentation
bin1011101101100100001…
…1110010011010111101
3201020100200101101121001
42323121003302122331
511244034244110240
6232233515410301
720352114002632
oct2733103623275
9636320341531
10201210144445
1178372976682
1232bb4a53991
1315c87c55b8b
149a4aad2189
15537981589a
hex2ed90f26bd

201210144445 has 16 divisors (see below), whose sum is σ = 242003139840. Its totient is φ = 160601198400.

The previous prime is 201210144437. The next prime is 201210144449. The reversal of 201210144445 is 544441012102.

It is a happy number.

It is not a de Polignac number, because 201210144445 - 23 = 201210144437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210144449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4229451 + ... + 4276759.

It is an arithmetic number, because the mean of its divisors is an integer number (15125196240).

Almost surely, 2201210144445 is an apocalyptic number.

It is an amenable number.

201210144445 is a deficient number, since it is larger than the sum of its proper divisors (40792995395).

201210144445 is a wasteful number, since it uses less digits than its factorization.

201210144445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49236.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 201210144445 its reverse (544441012102), we get a palindrome (745651156547).

The spelling of 201210144445 in words is "two hundred one billion, two hundred ten million, one hundred forty-four thousand, four hundred forty-five".

Divisors: 1 5 691 1231 3455 6155 47309 236545 850621 4253105 32690519 58237379 163452595 291186895 40242028889 201210144445