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76806713774 = 2723238530167
BaseRepresentation
bin100011110001000001…
…0010111000110101110
321100020210101022210202
41013202002113012232
52224300004320044
655141242233502
75356225203140
oct1074202270656
9240223338722
1076806713774
112a63442995a
1212a764b5892
1373206a713b
143a08a1ac90
151ee7e99c4e
hex11e20971ae

76806713774 has 16 divisors (see below), whose sum is σ = 137393376768. Its totient is φ = 31485981912.

The previous prime is 76806713749. The next prime is 76806713777. The reversal of 76806713774 is 47731760867.

It is a super-2 number, since 2×768067137742 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76806713777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119264762 + ... + 119265405.

It is an arithmetic number, because the mean of its divisors is an integer number (8587086048).

Almost surely, 276806713774 is an apocalyptic number.

76806713774 is a deficient number, since it is larger than the sum of its proper divisors (60586662994).

76806713774 is a wasteful number, since it uses less digits than its factorization.

76806713774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238530199.

The product of its (nonzero) digits is 8297856, while the sum is 56.

The spelling of 76806713774 in words is "seventy-six billion, eight hundred six million, seven hundred thirteen thousand, seven hundred seventy-four".

Divisors: 1 2 7 14 23 46 161 322 238530167 477060334 1669711169 3339422338 5486193841 10972387682 38403356887 76806713774