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220100133 = 31123289987
BaseRepresentation
bin11010001111001…
…11011000100101
3120100011020121210
431013213120211
5422321201013
633501302033
75311551231
oct1507473045
9510136553
10220100133
11103271540
1261864919
13367a4186
14213355c1
15144c9cc3
hexd1e7625

220100133 has 16 divisors (see below), whose sum is σ = 334066176. Its totient is φ = 127593840.

The previous prime is 220100129. The next prime is 220100141. The reversal of 220100133 is 331001022.

It is a happy number.

It is not a de Polignac number, because 220100133 - 22 = 220100129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102133) 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, 144235 + ... + 145752.

It is an arithmetic number, because the mean of its divisors is an integer number (20879136).

Almost surely, 2220100133 is an apocalyptic number.

220100133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

220100133 is a deficient number, since it is larger than the sum of its proper divisors (113966043).

220100133 is a wasteful number, since it uses less digits than its factorization.

220100133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290024.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 220100133 is about 14835.7720729324. The cubic root of 220100133 is about 603.7726482680.

Adding to 220100133 its reverse (331001022), we get a palindrome (551101155).

The spelling of 220100133 in words is "two hundred twenty million, one hundred thousand, one hundred thirty-three".

Divisors: 1 3 11 23 33 69 253 759 289987 869961 3189857 6669701 9569571 20009103 73366711 220100133