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8101681480 = 235202542037
BaseRepresentation
bin1111000101110010…
…11101100101001000
3202220121202001200001
413202321131211020
5113043012301410
63415531052344
7404524104424
oct74271354510
922817661601
108101681480
113488208232
1216a12a10b4
139c1625089
1456bdb5b84
153263d333a
hex1e2e5d948

8101681480 has 16 divisors (see below), whose sum is σ = 18228783420. Its totient is φ = 3240672576.

The previous prime is 8101681459. The next prime is 8101681493. The reversal of 8101681480 is 841861018.

It can be written as a sum of positive squares in 2 ways, for example, as 8088124356 + 13557124 = 89934^2 + 3682^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101270979 + ... + 101271058.

Almost surely, 28101681480 is an apocalyptic number.

It is an amenable number.

8101681480 is an abundant number, since it is smaller than the sum of its proper divisors (10127101940).

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

8101681480 is a wasteful number, since it uses less digits than its factorization.

8101681480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202542048 (or 202542044 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 37.

The square root of 8101681480 is about 90009.3410708022. The cubic root of 8101681480 is about 2008.4378083003.

The spelling of 8101681480 in words is "eight billion, one hundred one million, six hundred eighty-one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 202542037 405084074 810168148 1012710185 1620336296 2025420370 4050840740 8101681480