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2130250752 = 2103571223
BaseRepresentation
bin111111011111001…
…0000110000000000
312111110102221200000
41332332100300000
513330321011002
6551214400000
7103534555410
oct17676206000
95443387600
102130250752
119a351aa13
124b5500000
1327c450006
14162cc2640
15c704061c
hex7ef90c00

2130250752 has 264 divisors, whose sum is σ = 7296097536. Its totient is φ = 608145408.

The previous prime is 2130250711. The next prime is 2130250753. The reversal of 2130250752 is 2570520312.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130250753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1741213 + ... + 1742435.

Almost surely, 22130250752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130250752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3648048768).

2130250752 is an abundant number, since it is smaller than the sum of its proper divisors (5165846784).

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

2130250752 is an equidigital number, since it uses as much as digits as its factorization.

2130250752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 2130250752 is about 46154.6395501037. The cubic root of 2130250752 is about 1286.6988390153.

The spelling of 2130250752 in words is "two billion, one hundred thirty million, two hundred fifty thousand, seven hundred fifty-two".