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43213041020 = 22519113718529
BaseRepresentation
bin101000001111101100…
…101010110101111100
311010112120221221011202
4220033230222311330
51202000014303040
631503553235032
73056600534222
oct501754526574
9133476857152
1043213041020
11173656a9346
12845bb62a78
1340c8938b76
14213d1ccb12
1511cdb0e015
hexa0fb2ad7c

43213041020 has 24 divisors (see below), whose sum is σ = 95523565200. Its totient is φ = 16375468032.

The previous prime is 43213041007. The next prime is 43213041029. The reversal of 43213041020 is 2014031234.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 43213040983 and 43213041001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43213041029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56858885 + ... + 56859644.

It is an arithmetic number, because the mean of its divisors is an integer number (3980148550).

Almost surely, 243213041020 is an apocalyptic number.

It is an amenable number.

43213041020 is an abundant number, since it is smaller than the sum of its proper divisors (52310524180).

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

43213041020 is a wasteful number, since it uses less digits than its factorization.

43213041020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113718557 (or 113718555 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43213041020 its reverse (2014031234), we get a palindrome (45227072254).

The spelling of 43213041020 in words is "forty-three billion, two hundred thirteen million, forty-one thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 113718529 227437058 454874116 568592645 1137185290 2160652051 2274370580 4321304102 8642608204 10803260255 21606520510 43213041020