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82946825837 = 109775612421
BaseRepresentation
bin100110101000000000…
…1000001111001101101
321221002201002100002122
41031100001001321231
52324333341411322
6102034422202325
75664333246401
oct1152001017155
9257081070078
1082946825837
11321a5358a37
12140aa8833a5
137a8b7bc245
14402c29d101
15225705c442
hex1350041e6d

82946825837 has 4 divisors (see below), whose sum is σ = 83022439356. Its totient is φ = 82871212320.

The previous prime is 82946825831. The next prime is 82946825849. The reversal of 82946825837 is 73852864928.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55079865481 + 27866960356 = 234691^2 + 166934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-82946825837 is a prime.

It is a super-2 number, since 2×829468258372 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82946825837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82946825831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37805114 + ... + 37807307.

It is an arithmetic number, because the mean of its divisors is an integer number (20755609839).

Almost surely, 282946825837 is an apocalyptic number.

It is an amenable number.

82946825837 is a deficient number, since it is larger than the sum of its proper divisors (75613519).

82946825837 is a wasteful number, since it uses less digits than its factorization.

82946825837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75613518.

The product of its digits is 46448640, while the sum is 62.

The spelling of 82946825837 in words is "eighty-two billion, nine hundred forty-six million, eight hundred twenty-five thousand, eight hundred thirty-seven".

Divisors: 1 1097 75612421 82946825837