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201054013 = 296932897
BaseRepresentation
bin10111111101111…
…01011100111101
3112000022121020221
423332331130331
5402432212023
631541141341
74660634206
oct1376753475
9460277227
10201054013
11a3542946
12573ba851
1332865c94
141c9b85ad
15129b685d
hexbfbd73d

201054013 has 4 divisors (see below), whose sum is σ = 207986940. Its totient is φ = 194121088.

The previous prime is 201053989. The next prime is 201054047. The reversal of 201054013 is 310450102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135070884 + 65983129 = 11622^2 + 8123^2 .

It is a cyclic number.

It is not a de Polignac number, because 201054013 - 25 = 201053981 is a prime.

It is a super-2 number, since 2×2010540132 = 80845432286808338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201051013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3466420 + ... + 3466477.

It is an arithmetic number, because the mean of its divisors is an integer number (51996735).

Almost surely, 2201054013 is an apocalyptic number.

It is an amenable number.

201054013 is a deficient number, since it is larger than the sum of its proper divisors (6932927).

201054013 is an equidigital number, since it uses as much as digits as its factorization.

201054013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932926.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 201054013 is about 14179.3516424412. The cubic root of 201054013 is about 585.8290658005.

The spelling of 201054013 in words is "two hundred one million, fifty-four thousand, thirteen".

Divisors: 1 29 6932897 201054013