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71449431001 = 1314639375443
BaseRepresentation
bin100001010001010110…
…1111100101111011001
320211102102201011102021
41002202231330233121
52132312023243001
652453505134441
75106404100004
oct1024255745731
9224372634367
1071449431001
1128335383033
1211a2032a421
136978812530
14365b31453b
151cd29bbba1
hex10a2b7cbd9

71449431001 has 8 divisors (see below), whose sum is σ = 76951002240. Its totient is φ = 65948639952.

The previous prime is 71449430989. The next prime is 71449431037. The reversal of 71449431001 is 10013494417.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-71449431001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71449431041) 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, 2586 + ... + 378028.

It is an arithmetic number, because the mean of its divisors is an integer number (9618875280).

Almost surely, 271449431001 is an apocalyptic number.

It is an amenable number.

71449431001 is a deficient number, since it is larger than the sum of its proper divisors (5501571239).

71449431001 is a wasteful number, since it uses less digits than its factorization.

71449431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390095.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 71449431001 in words is "seventy-one billion, four hundred forty-nine million, four hundred thirty-one thousand, one".

Divisors: 1 13 14639 190307 375443 4880759 5496110077 71449431001