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71507013682 = 21315118213707
BaseRepresentation
bin100001010011000100…
…1100111000000110010
320211120110001200000011
41002212021213000302
52132421243414212
652503323245134
75111003405356
oct1024611470062
9224513050004
1071507013682
1128364932825
1211a376797aa
136987724120
143664c23466
151cd7a934a7
hex10a6267032

71507013682 has 16 divisors (see below), whose sum is σ = 116276311872. Its totient is φ = 32784670800.

The previous prime is 71507013637. The next prime is 71507013689. The reversal of 71507013682 is 28631070517.

It is a super-2 number, since 2×715070136822 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71507013689) 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, 9102928 + ... + 9110779.

It is an arithmetic number, because the mean of its divisors is an integer number (7267269492).

Almost surely, 271507013682 is an apocalyptic number.

71507013682 is a deficient number, since it is larger than the sum of its proper divisors (44769298190).

71507013682 is a wasteful number, since it uses less digits than its factorization.

71507013682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18213873.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 71507013682 in words is "seventy-one billion, five hundred seven million, thirteen thousand, six hundred eighty-two".

Divisors: 1 2 13 26 151 302 1963 3926 18213707 36427414 236778191 473556382 2750269757 5500539514 35753506841 71507013682