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201105287137 = 3119732930291
BaseRepresentation
bin1011101101001011001…
…1110010011111100001
3201020002101002002102001
42323102303302133201
511243330423142022
6232215252124001
720346401510326
oct2732263623741
9636071062361
10201105287137
1178319767847
1232b85906601
1315c6c301531
149a3abd8b4d
155370501b27
hex2ed2cf27e1

201105287137 has 8 divisors (see below), whose sum is σ = 208646330112. Its totient is φ = 193630105200.

The previous prime is 201105287129. The next prime is 201105287167. The reversal of 201105287137 is 731782501102.

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 201105287137 - 23 = 201105287129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201105287096 and 201105287105.

It is not an unprimeable number, because it can be changed into a prime (201105287167) 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, 16459039 + ... + 16471252.

It is an arithmetic number, because the mean of its divisors is an integer number (26080791264).

Almost surely, 2201105287137 is an apocalyptic number.

It is an amenable number.

201105287137 is a deficient number, since it is larger than the sum of its proper divisors (7541042975).

201105287137 is a wasteful number, since it uses less digits than its factorization.

201105287137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32930519.

The product of its (nonzero) digits is 23520, while the sum is 37.

Adding to 201105287137 its reverse (731782501102), we get a palindrome (932887788239).

The spelling of 201105287137 in words is "two hundred one billion, one hundred five million, two hundred eighty-seven thousand, one hundred thirty-seven".

Divisors: 1 31 197 6107 32930291 1020839021 6487267327 201105287137