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89616880880 = 2451120211011
BaseRepresentation
bin101001101110110010…
…1010001010011110000
322120022112222020111022
41103131211101103300
52432013410142010
6105100332435012
76321534630122
oct1233545212360
9276275866438
1089616880880
113500843601a
1215450618a68
1385b2641487
1444a208d212
1524e78eed55
hex14dd9514f0

89616880880 has 20 divisors (see below), whose sum is σ = 208359248232. Its totient is φ = 35846752320.

The previous prime is 89616880867. The next prime is 89616880939. The reversal of 89616880880 is 8808861698.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560105426 + ... + 560105585.

Almost surely, 289616880880 is an apocalyptic number.

89616880880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89616880880 is an abundant number, since it is smaller than the sum of its proper divisors (118742367352).

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

89616880880 is a wasteful number, since it uses less digits than its factorization.

89616880880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120211024 (or 1120211018 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 62.

The spelling of 89616880880 in words is "eighty-nine billion, six hundred sixteen million, eight hundred eighty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1120211011 2240422022 4480844044 5601055055 8961688088 11202110110 17923376176 22404220220 44808440440 89616880880