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201051701 = 1723116687
BaseRepresentation
bin10111111101111…
…00111000110101
3112000022111002022
423332330320311
5402432123301
631541122525
74660624364
oct1376747065
9460274068
10201051701
11a3541134
12573b9445
1332864c06
141c9b77db
15129b5d1b
hexbfbce35

201051701 has 4 divisors (see below), whose sum is σ = 201170112. Its totient is φ = 200933292.

The previous prime is 201051691. The next prime is 201051713. The reversal of 201051701 is 107150102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201051701 - 218 = 200789557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201051701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201053701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56621 + ... + 60066.

It is an arithmetic number, because the mean of its divisors is an integer number (50292528).

Almost surely, 2201051701 is an apocalyptic number.

It is an amenable number.

201051701 is a deficient number, since it is larger than the sum of its proper divisors (118411).

201051701 is a wasteful number, since it uses less digits than its factorization.

201051701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118410.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 201051701 is about 14179.2701152069. The cubic root of 201051701 is about 585.8268202315.

The spelling of 201051701 in words is "two hundred one million, fifty-one thousand, seven hundred one".

Divisors: 1 1723 116687 201051701