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201271301 = 71111092357
BaseRepresentation
bin10111111111100…
…10100000000101
3112000201122022122
423333302200011
5403011140201
631545535325
74662530540
oct1377624005
9460648278
10201271301
11a3681120
12574a4545
1332910b5a
141ca33857
1512a0ae1b
hexbff2805

201271301 has 16 divisors (see below), whose sum is σ = 251268480. Its totient is φ = 156626880.

The previous prime is 201271267. The next prime is 201271303. The reversal of 201271301 is 103172102.

It is a cyclic number.

It is not a de Polignac number, because 201271301 - 214 = 201254917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201271301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201271303) 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, 84215 + ... + 86571.

It is an arithmetic number, because the mean of its divisors is an integer number (15704280).

Almost surely, 2201271301 is an apocalyptic number.

It is an amenable number.

201271301 is a deficient number, since it is larger than the sum of its proper divisors (49997179).

201271301 is a wasteful number, since it uses less digits than its factorization.

201271301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 201271301 is about 14187.0117008481. The cubic root of 201271301 is about 586.0400336467.

The spelling of 201271301 in words is "two hundred one million, two hundred seventy-one thousand, three hundred one".

Divisors: 1 7 11 77 1109 2357 7763 12199 16499 25927 85393 181489 2613913 18297391 28753043 201271301