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89770080000 = 28354296449
BaseRepresentation
bin101001110011010110…
…1101011011100000000
322120201020020120011210
41103212231223130000
52432322120030000
6105123444210120
76325405042566
oct1234655533400
9276636216153
1089770080000
1135086962867
1215493999940
1386082c0543
1444b856ba36
1525060b2350
hex14e6b6b700

89770080000 has 360 divisors, whose sum is σ = 308896434000. Its totient is φ = 23109632000.

The previous prime is 89770079999. The next prime is 89770080013. The reversal of 89770080000 is 8007798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13916776 + ... + 13923224.

It is an arithmetic number, because the mean of its divisors is an integer number (858045650).

Almost surely, 289770080000 is an apocalyptic number.

89770080000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89770080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154448217000).

89770080000 is an abundant number, since it is smaller than the sum of its proper divisors (219126354000).

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

89770080000 is an equidigital number, since it uses as much as digits as its factorization.

89770080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517 (or 6488 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

Adding to 89770080000 its reverse (8007798), we get a palindrome (89778087798).

The spelling of 89770080000 in words is "eighty-nine billion, seven hundred seventy million, eighty thousand".