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89345030381 = 1972397012707
BaseRepresentation
bin101001100110101100…
…0001111100011101101
322112121121102210201022
41103031120033203231
52430434311433011
6105013342023525
76312024141065
oct1231530174355
9275547383638
1089345030381
1134988a38792
1215395577ba5
13856b21b2a9
144477d263a5
1524cdb018db
hex14cd60f8ed

89345030381 has 16 divisors (see below), whose sum is σ = 90336280320. Its totient is φ = 88360641600.

The previous prime is 89345030377. The next prime is 89345030407. The reversal of 89345030381 is 18303054398.

It is a cyclic number.

It is not a de Polignac number, because 89345030381 - 22 = 89345030377 is a prime.

It is a super-2 number, since 2×893450303812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89345030311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33003830 + ... + 33006536.

It is an arithmetic number, because the mean of its divisors is an integer number (5646017520).

Almost surely, 289345030381 is an apocalyptic number.

It is an amenable number.

89345030381 is a deficient number, since it is larger than the sum of its proper divisors (991249939).

89345030381 is a wasteful number, since it uses less digits than its factorization.

89345030381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 89345030381 in words is "eighty-nine billion, three hundred forty-five million, thirty thousand, three hundred eighty-one".

Divisors: 1 197 239 701 2707 47083 138097 167539 533279 646973 1897607 33005183 127453681 373828579 453528073 89345030381