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71371300261 = 416287276883
BaseRepresentation
bin100001001111000001…
…1111001110110100101
320211012222200201012011
41002132003321312211
52132132023102021
652442034354221
75104435020412
oct1023603716645
9224188621164
1071371300261
11282a5269278
12119ba12b971
136965587c21
143650bb7109
151ccabd6de1
hex109e0f9da5

71371300261 has 8 divisors (see below), whose sum is σ = 73123956864. Its totient is φ = 69619210080.

The previous prime is 71371300213. The next prime is 71371300289. The reversal of 71371300261 is 16200317317.

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 71371300261 - 29 = 71371299749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71371300211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119326 + ... + 396208.

It is an arithmetic number, because the mean of its divisors is an integer number (9140494608).

Almost surely, 271371300261 is an apocalyptic number.

It is an amenable number.

71371300261 is a deficient number, since it is larger than the sum of its proper divisors (1752656603).

71371300261 is a wasteful number, since it uses less digits than its factorization.

71371300261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283211.

The product of its (nonzero) digits is 5292, while the sum is 31.

Adding to 71371300261 its reverse (16200317317), we get a palindrome (87571617578).

The spelling of 71371300261 in words is "seventy-one billion, three hundred seventy-one million, three hundred thousand, two hundred sixty-one".

Divisors: 1 41 6287 257767 276883 11352203 1740763421 71371300261