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3120390000 = 243354713127
BaseRepresentation
bin1011100111111101…
…0101111101110000
322001110120020101000
42321333111331300
522342304440000
61233344442000
7140216606640
oct27177257560
98043506330
103120390000
111361419212
12731019300
133a9616b20
142185c4520
15133e25000
hexb9fd5f70

3120390000 has 800 divisors, whose sum is σ = 13883555840. Its totient is φ = 653184000.

The previous prime is 3120389981. The next prime is 3120390043. The reversal of 3120390000 is 930213.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 24569937 + ... + 24570063.

Almost surely, 23120390000 is an apocalyptic number.

3120390000 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 3120390000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6941777920).

3120390000 is an abundant number, since it is smaller than the sum of its proper divisors (10763165840).

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

3120390000 is a wasteful number, since it uses less digits than its factorization.

3120390000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3120390000 is about 55860.4511259979. The cubic root of 3120390000 is about 1461.2895968057.

The spelling of 3120390000 in words is "three billion, one hundred twenty million, three hundred ninety thousand".