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23211213131433 = 3199180847214987
BaseRepresentation
bin1010100011100010010000…
…00111010000111010101001
310001011222012100111120012110
411101301020013100322221
511020243031030201213
6121211030100032533
74613645333204205
oct521611007207251
9101158170446173
1023211213131433
117439902774588
12272a5a4392749
13cc4a67261702
145a3600545b05
152a3b9c18d5c3
hex151c481d0ea9

23211213131433 has 16 divisors (see below), whose sum is σ = 31104119859200. Its totient is φ = 15396225829776.

The previous prime is 23211213131383. The next prime is 23211213131437. The reversal of 23211213131433 is 33413131211232.

It is not a de Polignac number, because 23211213131433 - 28 = 23211213131177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23211213131433.

It is not an unprimeable number, because it can be changed into a prime (23211213131437) 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 15 ways as a sum of consecutive naturals, for example, 107858166 + ... + 108073152.

It is an arithmetic number, because the mean of its divisors is an integer number (1944007491200).

Almost surely, 223211213131433 is an apocalyptic number.

It is an amenable number.

23211213131433 is a deficient number, since it is larger than the sum of its proper divisors (7892906727767).

23211213131433 is a wasteful number, since it uses less digits than its factorization.

23211213131433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396036.

The product of its digits is 7776, while the sum is 30.

Adding to 23211213131433 its reverse (33413131211232), we get a palindrome (56624344342665).

The spelling of 23211213131433 in words is "twenty-three trillion, two hundred eleven billion, two hundred thirteen million, one hundred thirty-one thousand, four hundred thirty-three".

Divisors: 1 3 199 597 180847 214987 542541 644961 35988553 42782413 107965659 128347239 38879753989 116639261967 7737071043811 23211213131433