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20130212342232 = 2332279586282531
BaseRepresentation
bin1001001001110111011100…
…01001111110100111011000
32122021102121002221212001200
410210323232021332213120
510114303133324422412
6110451405240314200
74145234266456536
oct444735611764730
978242532855050
1020130212342232
1164611a208a013
122311453472960
13b3036a174555
144d84439dd156
1524d9766909dc
hex124eee27e9d8

20130212342232 has 24 divisors (see below), whose sum is σ = 54519325093740. Its totient is φ = 6710070780720.

The previous prime is 20130212342203. The next prime is 20130212342371. The reversal of 20130212342232 is 23224321203102.

20130212342232 is a `hidden beast` number, since 2 + 0 + 1 + 302 + 12 + 342 + 2 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 20130212342196 and 20130212342205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139793141194 + ... + 139793141337.

Almost surely, 220130212342232 is an apocalyptic number.

It is an amenable number.

20130212342232 is an abundant number, since it is smaller than the sum of its proper divisors (34389112751508).

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

20130212342232 is a wasteful number, since it uses less digits than its factorization.

20130212342232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279586282543 (or 279586282536 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20130212342232 its reverse (23224321203102), we get a palindrome (43354533545334).

The spelling of 20130212342232 in words is "twenty trillion, one hundred thirty billion, two hundred twelve million, three hundred forty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 279586282531 559172565062 838758847593 1118345130124 1677517695186 2236690260248 2516276542779 3355035390372 5032553085558 6710070780744 10065106171116 20130212342232