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201013130 = 2579254447
BaseRepresentation
bin10111111101100…
…11011110001010
3112000020112011202
423332303132022
5402424410010
631540224202
74660404053
oct1376633612
9460215152
10201013130
11a351515a
125739b062
13328504a6
141c9a772a
15129a96a5
hexbfb378a

201013130 has 16 divisors (see below), whose sum is σ = 366405120. Its totient is φ = 79387152.

The previous prime is 201013097. The next prime is 201013139. The reversal of 201013130 is 31310102.

It is not an unprimeable number, because it can be changed into a prime (201013139) 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, 126434 + ... + 128013.

It is an arithmetic number, because the mean of its divisors is an integer number (22900320).

Almost surely, 2201013130 is an apocalyptic number.

201013130 is a deficient number, since it is larger than the sum of its proper divisors (165391990).

201013130 is a wasteful number, since it uses less digits than its factorization.

201013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254533.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 201013130 is about 14177.9099305927. The cubic root of 201013130 is about 585.7893549571.

Adding to 201013130 its reverse (31310102), we get a palindrome (232323232).

The spelling of 201013130 in words is "two hundred one million, thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 79 158 395 790 254447 508894 1272235 2544470 20101313 40202626 100506565 201013130