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7071894764713 = 17415993809689
BaseRepresentation
bin110011011101000110111…
…0001100111110010101001
3221001001210111122102210201
41212322031301213302221
51411331220024432323
623012441131512201
71326633100453222
oct146721561476251
927031714572721
107071894764713
1122871a025a169
129626b72b8661
133c3b5249291c
141a63d2752249
15c3e523368ad
hex66e8dc67ca9

7071894764713 has 4 divisors (see below), whose sum is σ = 7487888574420. Its totient is φ = 6655900955008.

The previous prime is 7071894764659. The next prime is 7071894764897. The reversal of 7071894764713 is 3174674981707.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4104967749184 + 2966927015529 = 2026072^2 + 1722477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7071894764713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7071894774713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207996904828 + ... + 207996904861.

It is an arithmetic number, because the mean of its divisors is an integer number (1871972143605).

Almost surely, 27071894764713 is an apocalyptic number.

It is an amenable number.

7071894764713 is a deficient number, since it is larger than the sum of its proper divisors (415993809707).

7071894764713 is a wasteful number, since it uses less digits than its factorization.

7071894764713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415993809706.

The product of its (nonzero) digits is 49787136, while the sum is 64.

The spelling of 7071894764713 in words is "seven trillion, seventy-one billion, eight hundred ninety-four million, seven hundred sixty-four thousand, seven hundred thirteen".

Divisors: 1 17 415993809689 7071894764713