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20104443132 = 2231675370261
BaseRepresentation
bin10010101110010100…
…010111010011111100
31220220010001112021220
4102232110113103330
5312133214140012
613122535553340
71311130642554
oct225624272374
956803045256
1020104443132
118587485764
123a90b2b850
131b852158c7
14d8a112164
157c9eec08c
hex4ae5174fc

20104443132 has 12 divisors (see below), whose sum is σ = 46910367336. Its totient is φ = 6701481040.

The previous prime is 20104443103. The next prime is 20104443137. The reversal of 20104443132 is 23134440102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104443137) 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 3 ways as a sum of consecutive naturals, for example, 837685119 + ... + 837685142.

It is an arithmetic number, because the mean of its divisors is an integer number (3909197278).

Almost surely, 220104443132 is an apocalyptic number.

It is an amenable number.

20104443132 is an abundant number, since it is smaller than the sum of its proper divisors (26805924204).

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

20104443132 is a wasteful number, since it uses less digits than its factorization.

20104443132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675370268 (or 1675370266 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20104443132 its reverse (23134440102), we get a palindrome (43238883234).

The spelling of 20104443132 in words is "twenty billion, one hundred four million, four hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1675370261 3350740522 5026110783 6701481044 10052221566 20104443132