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20130110231233 = 1719349954122727
BaseRepresentation
bin1001001001110111010000…
…00100011101001011000001
32122021102022222211002002211
410210323220010131023001
510114302431204344413
6110451351151542121
74145231616523042
oct444735004351301
978242288732084
1020130110231233
11646114a486562
12231142522a941
13b30351c71c42
144d843421c8c9
1524d96c72083d
hex124ee811d2c1

20130110231233 has 32 divisors (see below), whose sum is σ = 21508233696000. Its totient is φ = 18774454026240.

The previous prime is 20130110231221. The next prime is 20130110231269. The reversal of 20130110231233 is 33213201103102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20130110231233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20130110231213) 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 31 ways as a sum of consecutive naturals, for example, 885724116 + ... + 885746842.

It is an arithmetic number, because the mean of its divisors is an integer number (672132303000).

Almost surely, 220130110231233 is an apocalyptic number.

It is an amenable number.

20130110231233 is a deficient number, since it is larger than the sum of its proper divisors (1378123464767).

20130110231233 is a wasteful number, since it uses less digits than its factorization.

20130110231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23977.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20130110231233 its reverse (33213201103102), we get a palindrome (53343311334335).

The spelling of 20130110231233 in words is "twenty trillion, one hundred thirty billion, one hundred ten million, two hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 17 193 499 541 3281 8483 9197 22727 96307 104413 269959 386359 1637219 1775021 4386311 4589303 11340773 12295307 52102087 74567287 192793141 209020219 885735479 2188769189 2372994251 6135358193 37209076213 40340902267 104301089281 1184124131249 20130110231233