Search a number
-
+
20110133130 = 2351442346477
BaseRepresentation
bin10010101110101010…
…000100011110001010
31220220111202121111120
4102232222010132022
5312141143230010
613123301540110
71311230211513
oct225652043612
956814677446
1020110133130
11858a71173a
123a92a14636
131b86458779
14d8ab93a0a
157ca772e70
hex4aea8478a

20110133130 has 32 divisors (see below), whose sum is σ = 48268704384. Its totient is φ = 5362214976.

The previous prime is 20110133089. The next prime is 20110133137. The reversal of 20110133130 is 3133101102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20110133137) 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, 409452 + ... + 455928.

It is an arithmetic number, because the mean of its divisors is an integer number (1508397012).

Almost surely, 220110133130 is an apocalyptic number.

20110133130 is an abundant number, since it is smaller than the sum of its proper divisors (28158571254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110133130 is a wasteful number, since it uses less digits than its factorization.

20110133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60910.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20110133130 its reverse (3133101102), we get a palindrome (23243234232).

The spelling of 20110133130 in words is "twenty billion, one hundred ten million, one hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 14423 28846 43269 46477 72115 86538 92954 139431 144230 216345 232385 278862 432690 464770 697155 1394310 670337771 1340675542 2011013313 3351688855 4022026626 6703377710 10055066565 20110133130