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2000133421 = 1113382763
BaseRepresentation
bin111011100110111…
…1001110100101101
312011101121022020121
41313031321310231
513044013232141
6530245444541
7100364565526
oct16715716455
95141538217
102000133421
11937028930
12479a10751
1325b4c3000
1414d8d184d
15ba8dc1d1
hex77379d2d

2000133421 has 16 divisors (see below), whose sum is σ = 2363739840. Its totient is φ = 1678413360.

The previous prime is 2000133389. The next prime is 2000133427. The reversal of 2000133421 is 1243310002.

It is a happy number.

It is not a de Polignac number, because 2000133421 - 25 = 2000133389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000133395 and 2000133404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000133427) 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, 17215 + ... + 65548.

It is an arithmetic number, because the mean of its divisors is an integer number (147733740).

Almost surely, 22000133421 is an apocalyptic number.

It is an amenable number.

2000133421 is a deficient number, since it is larger than the sum of its proper divisors (363606419).

2000133421 is an equidigital number, since it uses as much as digits as its factorization.

2000133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82813 (or 82787 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2000133421 is about 44722.8512172469. The cubic root of 2000133421 is about 1259.9490659263.

Adding to 2000133421 its reverse (1243310002), we get a palindrome (3243443423).

The spelling of 2000133421 in words is "two billion, one hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 11 13 143 169 1859 2197 24167 82763 910393 1075919 11835109 13986947 153856417 181830311 2000133421