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3102320020 = 225532926717
BaseRepresentation
bin1011100011101001…
…1010010110010100
322000012120012000111
42320322122112110
522323143220040
61231501252404
7136610166532
oct27072322624
98005505014
103102320020
1113521a6a48
12726b64104
133a595b027
1421603d152
15132555dea
hexb8e9a594

3102320020 has 24 divisors (see below), whose sum is σ = 6637796424. Its totient is φ = 1217513856.

The previous prime is 3102320003. The next prime is 3102320047. The reversal of 3102320020 is 200232013.

It is a happy number.

3102320020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 341658256 + 2760661764 = 18484^2 + 52542^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462299 + ... + 1464418.

It is an arithmetic number, because the mean of its divisors is an integer number (276574851).

Almost surely, 23102320020 is an apocalyptic number.

It is an amenable number.

3102320020 is an abundant number, since it is smaller than the sum of its proper divisors (3535476404).

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

3102320020 is a wasteful number, since it uses less digits than its factorization.

3102320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926779 (or 2926777 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3102320020 is about 55698.4741263170. The cubic root of 3102320020 is about 1458.4633892682.

Adding to 3102320020 its reverse (200232013), we get a palindrome (3302552033).

The spelling of 3102320020 in words is "three billion, one hundred two million, three hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 2926717 5853434 11706868 14633585 29267170 58534340 155116001 310232002 620464004 775580005 1551160010 3102320020