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89020425751 = 731219457887
BaseRepresentation
bin101001011101000000…
…1111110011000010111
322111202222122011212121
41102322001332120113
52424303212111001
6104521224400411
76301003063645
oct1227201763027
9274688564777
1089020425751
11348317894a4
1215304916107
138518bb724a
144446b8a195
1524b03826a1
hex14ba07e617

89020425751 has 4 divisors (see below), whose sum is σ = 90239883712. Its totient is φ = 87800967792.

The previous prime is 89020425749. The next prime is 89020425779. The reversal of 89020425751 is 15752402098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89020425751 - 21 = 89020425749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89020425698 and 89020425707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89020425551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609728871 + ... + 609729016.

It is an arithmetic number, because the mean of its divisors is an integer number (22559970928).

Almost surely, 289020425751 is an apocalyptic number.

89020425751 is a deficient number, since it is larger than the sum of its proper divisors (1219457961).

89020425751 is a wasteful number, since it uses less digits than its factorization.

89020425751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219457960.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 89020425751 in words is "eighty-nine billion, twenty million, four hundred twenty-five thousand, seven hundred fifty-one".

Divisors: 1 73 1219457887 89020425751