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71349206349 = 3234110159363
BaseRepresentation
bin100001001110010111…
…1100111110101001101
320211011110010020001010
41002130233213311031
52132110344100344
652435525035433
75104046150601
oct1023457476515
9224143106033
1071349206349
1128293848843
12119b2855b79
136960b206c5
14364bca5501
151cc8cc08b9
hex109cbe7d4d

71349206349 has 8 divisors (see below), whose sum is σ = 95172921952. Its totient is φ = 47545814160.

The previous prime is 71349206339. The next prime is 71349206473. The reversal of 71349206349 is 94360294317.

It is a happy number.

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

It is not a de Polignac number, because 71349206349 - 216 = 71349140813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71349206298 and 71349206307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71349206339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5072659 + ... + 5086704.

It is an arithmetic number, because the mean of its divisors is an integer number (11896615244).

Almost surely, 271349206349 is an apocalyptic number.

It is an amenable number.

71349206349 is a deficient number, since it is larger than the sum of its proper divisors (23823715603).

71349206349 is a wasteful number, since it uses less digits than its factorization.

71349206349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161707.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 71349206349 in words is "seventy-one billion, three hundred forty-nine million, two hundred six thousand, three hundred forty-nine".

Divisors: 1 3 2341 7023 10159363 30478089 23783068783 71349206349