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38678422488805 = 5112114809556849
BaseRepresentation
bin10001100101101100001011…
…01000100000011011100101
312001221121202202200102022001
420302312011220200123211
520032201402124120210
6214132342203405301
711101265236411201
oct1062660550403345
9161847682612261
1038678422488805
1111362477172400
124408179523831
13187748a034b28
1497a08d329b01
154711ab82003a
hex232d85a206e5

38678422488805 has 24 divisors (see below), whose sum is σ = 51017694903000. Its totient is φ = 28129466280960.

The previous prime is 38678422488767. The next prime is 38678422488833. The reversal of 38678422488805 is 50888422487683.

It can be written as a sum of positive squares in 4 ways, for example, as 14465714637924 + 24212707850881 = 3803382^2 + 4920641^2 .

It is not a de Polignac number, because 38678422488805 - 211 = 38678422486757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69181021 + ... + 69737869.

It is an arithmetic number, because the mean of its divisors is an integer number (2125737287625).

Almost surely, 238678422488805 is an apocalyptic number.

It is an amenable number.

38678422488805 is a deficient number, since it is larger than the sum of its proper divisors (12339272414195).

38678422488805 is a wasteful number, since it uses less digits than its factorization.

38678422488805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671685 (or 671674 counting only the distinct ones).

The product of its (nonzero) digits is 1321205760, while the sum is 73.

The spelling of 38678422488805 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred twenty-two million, four hundred eighty-eight thousand, eight hundred five".

Divisors: 1 5 11 55 121 605 114809 556849 574045 1262899 2784245 6125339 6314495 13891889 30626695 67378729 69459445 336893645 63931276841 319656384205 703244045251 3516220226255 7735684497761 38678422488805