Search a number
-
+
8680475020 = 225762003393
BaseRepresentation
bin10000001010110010…
…11000100110001100
3211101221211211010211
420011121120212030
5120234200200040
63553204412204
7425052551230
oct100531304614
924357754124
108680475020
1137549a13a8
1218230a7064
13a84507369
145c4bdc5c0
1535c1128ea
hex20565898c

8680475020 has 24 divisors (see below), whose sum is σ = 20833140384. Its totient is φ = 2976162816.

The previous prime is 8680474993. The next prime is 8680475051. The reversal of 8680475020 is 205740868.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 31001557 + ... + 31001836.

It is an arithmetic number, because the mean of its divisors is an integer number (868047516).

Almost surely, 28680475020 is an apocalyptic number.

It is an amenable number.

8680475020 is an abundant number, since it is smaller than the sum of its proper divisors (12152665364).

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

8680475020 is a wasteful number, since it uses less digits than its factorization.

8680475020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62003409 (or 62003407 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 8680475020 is about 93169.0668623444. The cubic root of 8680475020 is about 2055.1703728208.

The spelling of 8680475020 in words is "eight billion, six hundred eighty million, four hundred seventy-five thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 62003393 124006786 248013572 310016965 434023751 620033930 868047502 1240067860 1736095004 2170118755 4340237510 8680475020