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8097438678 = 2373719792633
BaseRepresentation
bin1111000101010010…
…10001101111010110
3202220022202111122020
413202221101233112
5113040421014203
63415300114010
7404443043640
oct74251215726
922808674566
108097438678
11348587a58a
12169b995906
139c079ab44
1456b5cd890
15325d46153
hex1e2a51bd6

8097438678 has 64 divisors (see below), whose sum is σ = 19025487360. Its totient is φ = 2249033472.

The previous prime is 8097438649. The next prime is 8097438683. The reversal of 8097438678 is 8768347908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3074050 + ... + 3076682.

It is an arithmetic number, because the mean of its divisors is an integer number (297273240).

Almost surely, 28097438678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8097438678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9512743680).

8097438678 is an abundant number, since it is smaller than the sum of its proper divisors (10928048682).

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

8097438678 is a wasteful number, since it uses less digits than its factorization.

8097438678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The square root of 8097438678 is about 89985.7693082634. The cubic root of 8097438678 is about 2008.0871448016.

The spelling of 8097438678 in words is "eight billion, ninety-seven million, four hundred thirty-eight thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 1979 2633 3958 5266 5937 7899 11874 13853 15798 18431 27706 36862 41559 55293 73223 83118 97421 110586 146446 194842 219669 292263 439338 512561 584526 681947 1025122 1363894 1537683 2045841 3075366 4091682 5210707 10421414 15632121 31264242 36474949 72949898 109424847 192796159 218849694 385592318 578388477 1156776954 1349573113 2699146226 4048719339 8097438678