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8681479232 = 26135648113
BaseRepresentation
bin10000001010111010…
…01101110001000000
3211102000201211122212
420011131031301000
5120234424313412
63553242121252
7425064233036
oct100535156100
924360654585
108681479232
113755517928
1218234b0228
13a8479947a
145c4dc0556
1535c260222
hex20574dc40

8681479232 has 14 divisors (see below), whose sum is σ = 17227310478. Its totient is φ = 4340739584.

The previous prime is 8681479231. The next prime is 8681479241. The reversal of 8681479232 is 2329741868.

It can be written as a sum of positive squares in only one way, i.e., 8416961536 + 264517696 = 91744^2 + 16264^2 .

It is not an unprimeable number, because it can be changed into a prime (8681479231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67823993 + ... + 67824120.

It is an arithmetic number, because the mean of its divisors is an integer number (1230522177).

Almost surely, 28681479232 is an apocalyptic number.

It is an amenable number.

8681479232 is a deficient number, since it is larger than the sum of its proper divisors (8545831246).

8681479232 is a wasteful number, since it uses less digits than its factorization.

8681479232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135648125 (or 135648115 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 8681479232 is about 93174.4558985992. The cubic root of 8681479232 is about 2055.2496214473.

The spelling of 8681479232 in words is "eight billion, six hundred eighty-one million, four hundred seventy-nine thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 135648113 271296226 542592452 1085184904 2170369808 4340739616 8681479232