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20113021211232 = 253209510637617
BaseRepresentation
bin1001001001010111011010…
…11111000001001001100000
32122012210020000210220201010
410210223231133001021200
510114012431412224412
6110435443330540520
74144055262330225
oct444535537011140
978183200726633
1020113021211232
116454980145934
12230a056137740
13b2b85a6b09a1
144d76927a994c
1524d2bc31233c
hex124aed7c1260

20113021211232 has 24 divisors (see below), whose sum is σ = 52796680679736. Its totient is φ = 6704340403712.

The previous prime is 20113021211207. The next prime is 20113021211249. The reversal of 20113021211232 is 23211212031102.

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 = 20113021211199 and 20113021211208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104755318713 + ... + 104755318904.

It is an arithmetic number, because the mean of its divisors is an integer number (2199861694989).

Almost surely, 220113021211232 is an apocalyptic number.

It is an amenable number.

20113021211232 is an abundant number, since it is smaller than the sum of its proper divisors (32683659468504).

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

20113021211232 is a wasteful number, since it uses less digits than its factorization.

20113021211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209510637630 (or 209510637622 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20113021211232 its reverse (23211212031102), we get a palindrome (43324233242334).

The spelling of 20113021211232 in words is "twenty trillion, one hundred thirteen billion, twenty-one million, two hundred eleven thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 209510637617 419021275234 628531912851 838042550468 1257063825702 1676085100936 2514127651404 3352170201872 5028255302808 6704340403744 10056510605616 20113021211232