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71545677627117 = 3109831121713849
BaseRepresentation
bin10000010001001000000110…
…101100110011111011101101
3100101022200220021202210020110
4100101020012230303323231
533334201021433031432
6412055344111210233
721033001405500111
oct2021100654637355
9311280807683213
1071545677627117
1120884395912871
128036046816979
1330bc961539325
141394b87753741
15841102031dcc
hex411206b33eed

71545677627117 has 8 divisors (see below), whose sum is σ = 95394328084800. Its totient is φ = 47697072793760.

The previous prime is 71545677627107. The next prime is 71545677627143. The reversal of 71545677627117 is 71172677654517.

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 71545677627117 - 226 = 71545610518253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71545677627107) 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, 7561992 + ... + 14151857.

It is an arithmetic number, because the mean of its divisors is an integer number (11924291010600).

Almost surely, 271545677627117 is an apocalyptic number.

It is an amenable number.

71545677627117 is a deficient number, since it is larger than the sum of its proper divisors (23848650457683).

71545677627117 is a wasteful number, since it uses less digits than its factorization.

71545677627117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22812163.

The product of its digits is 121010400, while the sum is 66.

The spelling of 71545677627117 in words is "seventy-one trillion, five hundred forty-five billion, six hundred seventy-seven million, six hundred twenty-seven thousand, one hundred seventeen".

Divisors: 1 3 1098311 3294933 21713849 65141547 23848559209039 71545677627117