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71041400321 = 418831962307
BaseRepresentation
bin100001000101001100…
…1011011111000000001
320210100222221001112212
41002022121123320001
52130443044302241
652345211431505
75063320640123
oct1021231337001
9223328831485
1071041400321
11281460225a1
1211927755595
13691211b868
14361d05d213
151cabc6dbeb
hex108a65be01

71041400321 has 8 divisors (see below), whose sum is σ = 72856571424. Its totient is φ = 69230155680.

The previous prime is 71041400293. The next prime is 71041400333. The reversal of 71041400321 is 12300414017.

It is a happy number.

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 71041400321 - 214 = 71041383937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71041450321) 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, 944951 + ... + 1017356.

It is an arithmetic number, because the mean of its divisors is an integer number (9107071428).

Almost surely, 271041400321 is an apocalyptic number.

It is an amenable number.

71041400321 is a deficient number, since it is larger than the sum of its proper divisors (1815171103).

71041400321 is a wasteful number, since it uses less digits than its factorization.

71041400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963231.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 71041400321 its reverse (12300414017), we get a palindrome (83341814338).

The spelling of 71041400321 in words is "seventy-one billion, forty-one million, four hundred thousand, three hundred twenty-one".

Divisors: 1 41 883 36203 1962307 80454587 1732717081 71041400321