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20462144608 = 252233318663
BaseRepresentation
bin10011000011101000…
…111000110001100000
31221211001010122110201
4103003220320301200
5313401302111413
613222234434544
71323033234163
oct230350706140
957731118421
1020462144608
118750390114
123b70892a54
131c11367399
14dc1825ada
157eb6079dd
hex4c3a38c60

20462144608 has 48 divisors (see below), whose sum is σ = 40592434176. Its totient is φ = 10153249920.

The previous prime is 20462144501. The next prime is 20462144609. The reversal of 20462144608 is 80644126402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462144609) 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, 2357685 + ... + 2366347.

It is an arithmetic number, because the mean of its divisors is an integer number (845675712).

Almost surely, 220462144608 is an apocalyptic number.

It is an amenable number.

20462144608 is a deficient number, since it is larger than the sum of its proper divisors (20130289568).

20462144608 is a wasteful number, since it uses less digits than its factorization.

20462144608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227 (or 9219 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 20462144608 in words is "twenty billion, four hundred sixty-two million, one hundred forty-four thousand, six hundred eight".

Divisors: 1 2 4 8 16 32 223 331 446 662 892 1324 1784 2648 3568 5296 7136 8663 10592 17326 34652 69304 73813 138608 147626 277216 295252 590504 1181008 1931849 2362016 2867453 3863698 5734906 7727396 11469812 15454792 22939624 30909584 45879248 61819168 91758496 639442019 1278884038 2557768076 5115536152 10231072304 20462144608