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201202313221 = 7132211014431
BaseRepresentation
bin1011101101100010010…
…1111010100000000101
3201020100010122112011201
42323120211322200011
511244030243010341
6232233035502501
720351660305240
oct2733045724005
9636303575151
10201202313221
1178369507998
1232bb22b7a31
1315c86443510
149a49a54257
155378cba331
hex2ed897a805

201202313221 has 8 divisors (see below), whose sum is σ = 247633616384. Its totient is φ = 159193038960.

The previous prime is 201202313219. The next prime is 201202313239. The reversal of 201202313221 is 122313202102.

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 201202313221 - 21 = 201202313219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202319221) 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, 1105507125 + ... + 1105507306.

It is an arithmetic number, because the mean of its divisors is an integer number (30954202048).

Almost surely, 2201202313221 is an apocalyptic number.

It is an amenable number.

201202313221 is a deficient number, since it is larger than the sum of its proper divisors (46431303163).

201202313221 is a wasteful number, since it uses less digits than its factorization.

201202313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211014451.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201202313221 its reverse (122313202102), we get a palindrome (323515515323).

The spelling of 201202313221 in words is "two hundred one billion, two hundred two million, three hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 7 13 91 2211014431 15477101017 28743187603 201202313221