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89232640747 = 711361923437
BaseRepresentation
bin101001100011010101…
…1100000101011101011
322112022202221211010021
41103012223200223223
52430222024000442
6104554245101311
76306160634365
oct1230653405353
9275282854107
1089232640747
1134930554798
12153639b7837
138550b5a353
14446702bd35
1524c3d00e67
hex14c6ae0aeb

89232640747 has 8 divisors (see below), whose sum is σ = 90556024032. Its totient is φ = 87911107200.

The previous prime is 89232640709. The next prime is 89232640771. The reversal of 89232640747 is 74704623298.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89232640747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89232640694 and 89232640703.

It is not an unprimeable number, because it can be changed into a prime (89232640787) 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 7 ways as a sum of consecutive naturals, for example, 365088 + ... + 558349.

It is an arithmetic number, because the mean of its divisors is an integer number (11319503004).

Almost surely, 289232640747 is an apocalyptic number.

89232640747 is a deficient number, since it is larger than the sum of its proper divisors (1323383285).

89232640747 is a wasteful number, since it uses less digits than its factorization.

89232640747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924869.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 89232640747 in words is "eighty-nine billion, two hundred thirty-two million, six hundred forty thousand, seven hundred forty-seven".

Divisors: 1 71 1361 96631 923437 65564027 1256797757 89232640747