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71338767020 = 22517892357527
BaseRepresentation
bin100001001110000011…
…1110011001010101100
320211010201110211222022
41002130013303022230
52132100211021040
652434513205312
75103561341333
oct1023407631254
9224121424868
1071338767020
11282889685a4
12119ab260838
13695b906ba1
14364a748d1a
151cc7e0c6b5
hex109c1f32ac

71338767020 has 48 divisors (see below), whose sum is σ = 160406205120. Its totient is φ = 26555172864.

The previous prime is 71338766987. The next prime is 71338767023. The reversal of 71338767020 is 2076783317.

It is not an unprimeable number, because it can be changed into a prime (71338767023) 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 15 ways as a sum of consecutive naturals, for example, 1148504 + ... + 1209023.

It is an arithmetic number, because the mean of its divisors is an integer number (3341795940).

Almost surely, 271338767020 is an apocalyptic number.

It is an amenable number.

71338767020 is an abundant number, since it is smaller than the sum of its proper divisors (89067438100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71338767020 is a wasteful number, since it uses less digits than its factorization.

71338767020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357642 (or 2357640 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 71338767020 in words is "seventy-one billion, three hundred thirty-eight million, seven hundred sixty-seven thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 89 170 178 340 356 445 890 1513 1780 3026 6052 7565 15130 30260 2357527 4715054 9430108 11787635 23575270 40077959 47150540 80155918 160311836 200389795 209819903 400779590 419639806 801559180 839279612 1049099515 2098199030 3566938351 4196398060 7133876702 14267753404 17834691755 35669383510 71338767020