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213143011432 = 23136313247943
BaseRepresentation
bin1100011010000001010…
…0000100000001101000
3202101011022011211202121
43012200110010001220
511443004102331212
6241525550241024
721253611463411
oct3064024040150
9671138154677
10213143011432
118243674521a
12353851b6174
131713a213b10
14a45d836808
155827224d07
hex31a0504068

213143011432 has 32 divisors (see below), whose sum is σ = 431067127680. Its totient is φ = 98217766080.

The previous prime is 213143011429. The next prime is 213143011439. The reversal of 213143011432 is 234110341312.

It is a junction number, because it is equal to n+sod(n) for n = 213143011397 and 213143011406.

It is not an unprimeable number, because it can be changed into a prime (213143011439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558348 + ... + 1689595.

It is an arithmetic number, because the mean of its divisors is an integer number (13470847740).

Almost surely, 2213143011432 is an apocalyptic number.

It is an amenable number.

213143011432 is an abundant number, since it is smaller than the sum of its proper divisors (217924116248).

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

213143011432 is a wasteful number, since it uses less digits than its factorization.

213143011432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248593 (or 3248589 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 213143011432 its reverse (234110341312), we get a palindrome (447253352744).

The spelling of 213143011432 in words is "two hundred thirteen billion, one hundred forty-three million, eleven thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 631 1262 2524 5048 8203 16406 32812 65624 3247943 6495886 12991772 25983544 42223259 84446518 168893036 337786072 2049452033 4098904066 8197808132 16395616264 26642876429 53285752858 106571505716 213143011432