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82627072349 = 641128903389
BaseRepresentation
bin100110011110011110…
…1010001000101011101
321220021102102011202212
41030330331101011131
52323210012303344
6101543000530205
75653401345443
oct1147475210535
9256242364685
1082627072349
1132050912458
121401b780965
137a3a4962b3
143ddba26b93
152238e4a79e
hex133cf5115d

82627072349 has 4 divisors (see below), whose sum is σ = 82755976380. Its totient is φ = 82498168320.

The previous prime is 82627072337. The next prime is 82627072369. The reversal of 82627072349 is 94327072628.

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 57639366724 + 24987705625 = 240082^2 + 158075^2 .

It is a cyclic number.

It is not a de Polignac number, because 82627072349 - 28 = 82627072093 is a prime.

It is a super-4 number, since 4×826270723494 (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82627072297 and 82627072306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82627072369) 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, 64451054 + ... + 64452335.

It is an arithmetic number, because the mean of its divisors is an integer number (20688994095).

Almost surely, 282627072349 is an apocalyptic number.

It is an amenable number.

82627072349 is a deficient number, since it is larger than the sum of its proper divisors (128904031).

82627072349 is a wasteful number, since it uses less digits than its factorization.

82627072349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128904030.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 82627072349 in words is "eighty-two billion, six hundred twenty-seven million, seventy-two thousand, three hundred forty-nine".

Divisors: 1 641 128903389 82627072349