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89392271220 = 223357192109601
BaseRepresentation
bin101001101000000110…
…0011100111101110100
322112201220022212222000
41103100030130331310
52431033410134340
6105022150335300
76313136524350
oct1232014347564
9275656285860
1089392271220
1134a026744aa
12153a935a530
138577c4b855
144480302460
1524d2d33d30
hex14d031cf74

89392271220 has 576 divisors, whose sum is σ = 339088780800. Its totient is φ = 19147622400.

The previous prime is 89392271197. The next prime is 89392271273. The reversal of 89392271220 is 2217229398.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 148738920 + ... + 148739520.

It is an arithmetic number, because the mean of its divisors is an integer number (588695800).

Almost surely, 289392271220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89392271220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169544390400).

89392271220 is an abundant number, since it is smaller than the sum of its proper divisors (249696509580).

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

89392271220 is a wasteful number, since it uses less digits than its factorization.

89392271220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 89392271220 in words is "eighty-nine billion, three hundred ninety-two million, two hundred seventy-one thousand, two hundred twenty".