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82431237097 = 1119250341269
BaseRepresentation
bin100110011000101001…
…0001101101111101001
321212202202220201022101
41030301102031233221
52322304344041342
6101511323253401
75645502645256
oct1146122155751
9255682821271
1082431237097
1131a60314540
1213b8607a261
137a08a39851
143dbda0a42d
152226b653b7
hex133148dbe9

82431237097 has 24 divisors (see below), whose sum is σ = 95097965760. Its totient is φ = 70850553120.

The previous prime is 82431237089. The next prime is 82431237107. The reversal of 82431237097 is 79073213428.

It is not a de Polignac number, because 82431237097 - 23 = 82431237089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82431237017) 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 23 ways as a sum of consecutive naturals, for example, 1976779 + ... + 2018047.

It is an arithmetic number, because the mean of its divisors is an integer number (3962415240).

Almost surely, 282431237097 is an apocalyptic number.

It is an amenable number.

82431237097 is a deficient number, since it is larger than the sum of its proper divisors (12666728663).

82431237097 is a wasteful number, since it uses less digits than its factorization.

82431237097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41821 (or 41802 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 82431237097 in words is "eighty-two billion, four hundred thirty-one million, two hundred thirty-seven thousand, ninety-seven".

Divisors: 1 11 19 209 361 503 3971 5533 9557 41269 105127 181583 453959 784111 1997413 8625221 14898109 20758307 163879199 228341377 394407833 4338486163 7493748827 82431237097