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82945789145 = 537448355617
BaseRepresentation
bin100110100111111110…
…1000100110011011001
321221002122010200000122
41031033331010303121
52324333110223040
6102034344043025
75664321401102
oct1151775046331
9257078120018
1082945789145
11321a481006a
12140aa463475
137a8b51840b
14402c0ad3a9
152256e051b5
hex134ff44cd9

82945789145 has 8 divisors (see below), whose sum is σ = 102225080904. Its totient is φ = 64563208704.

The previous prime is 82945789097. The next prime is 82945789211. The reversal of 82945789145 is 54198754928.

It can be written as a sum of positive squares in 4 ways, for example, as 10677295561 + 72268493584 = 103331^2 + 268828^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 82945789145 - 28 = 82945788889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224177624 + ... + 224177993.

It is an arithmetic number, because the mean of its divisors is an integer number (12778135113).

Almost surely, 282945789145 is an apocalyptic number.

It is an amenable number.

82945789145 is a deficient number, since it is larger than the sum of its proper divisors (19279291759).

82945789145 is a wasteful number, since it uses less digits than its factorization.

82945789145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448355659.

The product of its digits is 29030400, while the sum is 62.

The spelling of 82945789145 in words is "eighty-two billion, nine hundred forty-five million, seven hundred eighty-nine thousand, one hundred forty-five".

Divisors: 1 5 37 185 448355617 2241778085 16589157829 82945789145