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201451120241 = 71961131189547
BaseRepresentation
bin1011101110011101101…
…1000010011001110001
3201020222110211020020112
42323213123002121301
511300032441321431
6232313444351105
720361101161160
oct2734733023161
9636873736215
10201451120241
11784869a6328
12330616a5495
1315cc5b58bc7
149a70add3d7
155390a65c2b
hex2ee76c2671

201451120241 has 32 divisors (see below), whose sum is σ = 248201733120. Its totient is φ = 159673550400.

The previous prime is 201451120231. The next prime is 201451120327. The reversal of 201451120241 is 142021154102.

It is not a de Polignac number, because 201451120241 - 26 = 201451120177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201451120201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968030 + ... + 1157576.

It is an arithmetic number, because the mean of its divisors is an integer number (7756304160).

Almost surely, 2201451120241 is an apocalyptic number.

It is an amenable number.

201451120241 is a deficient number, since it is larger than the sum of its proper divisors (46750612879).

201451120241 is a wasteful number, since it uses less digits than its factorization.

201451120241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189765.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 201451120241 its reverse (142021154102), we get a palindrome (343472274343).

The spelling of 201451120241 in words is "two hundred one billion, four hundred fifty-one million, one hundred twenty thousand, two hundred forty-one".

Divisors: 1 7 19 61 131 133 427 917 1159 2489 7991 8113 17423 55937 151829 189547 1062803 1326829 3601393 11562367 24830657 25209751 80936569 173814599 219684973 471782483 1514670077 1537794811 3302477381 10602690539 28778731463 201451120241