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3025120320 = 263257331433
BaseRepresentation
bin1011010001001111…
…1010110001000000
321210211022000221100
42310103322301000
522143412322240
61220102454400
7134652045525
oct26423726100
97724260840
103025120320
111312668742
12705134400
1339296b431
14209aa514c
1512a8a6e30
hexb44fac40

3025120320 has 168 divisors, whose sum is σ = 10426619736. Its totient is φ = 805036032.

The previous prime is 3025120271. The next prime is 3025120381. The reversal of 3025120320 is 230215203.

It can be written as a sum of positive squares in 4 ways, for example, as 1617970176 + 1407150144 = 40224^2 + 37512^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3025120293 and 3025120302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2110324 + ... + 2111756.

Almost surely, 23025120320 is an apocalyptic number.

3025120320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3025120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5213309868).

3025120320 is an abundant number, since it is smaller than the sum of its proper divisors (7401499416).

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

3025120320 is a wasteful number, since it uses less digits than its factorization.

3025120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2176 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3025120320 is about 55001.0938073053. The cubic root of 3025120320 is about 1446.2639165214.

Adding to 3025120320 its reverse (230215203), we get a palindrome (3255335523).

The spelling of 3025120320 in words is "three billion, twenty-five million, one hundred twenty thousand, three hundred twenty".