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71000199331 = 591447831647
BaseRepresentation
bin100001000011111110…
…0010001000010100011
320210021010101211102021
41002013330101002203
52130402022334311
652341140402311
75062310510455
oct1020774210243
9223233354367
1071000199331
1128124841696
12119159a6397
136906724489
1436177b62d5
151ca8331171
hex1087f110a3

71000199331 has 8 divisors (see below), whose sum is σ = 72253578240. Its totient is φ = 69748486728.

The previous prime is 71000199329. The next prime is 71000199353. The reversal of 71000199331 is 13399100017.

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 71000199331 - 21 = 71000199329 is a prime.

It is a super-2 number, since 2×710001993312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71000199731) 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, 330451 + ... + 501196.

It is an arithmetic number, because the mean of its divisors is an integer number (9031697280).

Almost surely, 271000199331 is an apocalyptic number.

71000199331 is a deficient number, since it is larger than the sum of its proper divisors (1253378909).

71000199331 is a wasteful number, since it uses less digits than its factorization.

71000199331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833153.

The product of its (nonzero) digits is 5103, while the sum is 34.

Adding to 71000199331 its reverse (13399100017), we get a palindrome (84399299348).

The spelling of 71000199331 in words is "seventy-one billion, one hundred ninety-nine thousand, three hundred thirty-one".

Divisors: 1 59 1447 85373 831647 49067173 1203393209 71000199331