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20412065432 = 2311266387103
BaseRepresentation
bin10011000000101001…
…110110011010011000
31221200112220100202102
4103000221312122120
5313300442043212
613213245222532
71321554456563
oct230051663230
957615810672
1020412065432
118725095970
123b57b61a48
131c03b81c35
14db8d0b4da
157e70145c2
hex4c0a76698

20412065432 has 32 divisors (see below), whose sum is σ = 41768110080. Its totient is φ = 9274620960.

The previous prime is 20412065419. The next prime is 20412065491. The reversal of 20412065432 is 23456021402.

It is a junction number, because it is equal to n+sod(n) for n = 20412065395 and 20412065404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190793 + ... + 277895.

It is an arithmetic number, because the mean of its divisors is an integer number (1305253440).

Almost surely, 220412065432 is an apocalyptic number.

20412065432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20412065432 is an abundant number, since it is smaller than the sum of its proper divisors (21356044648).

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

20412065432 is a wasteful number, since it uses less digits than its factorization.

20412065432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89783 (or 89779 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20412065432 its reverse (23456021402), we get a palindrome (43868086834).

The spelling of 20412065432 in words is "twenty billion, four hundred twelve million, sixty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 2663 5326 10652 21304 29293 58586 87103 117172 174206 234344 348412 696824 958133 1916266 3832532 7665064 231955289 463910578 927821156 1855642312 2551508179 5103016358 10206032716 20412065432