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2130030000 = 2433547323
BaseRepresentation
bin111111011110101…
…1010110110110000
312111110000201212000
41332331122312300
513330241430000
6551205534000
7103532646000
oct17675326660
95443021760
102130030000
119a338a07a
124b5414300
1327c3a36a7
14162c66000
15c6eea000
hex7ef5adb0

2130030000 has 800 divisors, whose sum is σ = 9297024000. Its totient is φ = 465696000.

The previous prime is 2130029987. The next prime is 2130030013. The reversal of 2130030000 is 300312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2130029987) and next prime (2130030013).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 92609989 + ... + 92610011.

It is an arithmetic number, because the mean of its divisors is an integer number (11621280).

Almost surely, 22130030000 is an apocalyptic number.

2130030000 is a gapful number since it is divisible by the number (20) 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 2130030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4648512000).

2130030000 is an abundant number, since it is smaller than the sum of its proper divisors (7166994000).

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

2130030000 is an equidigital number, since it uses as much as digits as its factorization.

2130030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 2130030000 is about 46152.2480492554. The cubic root of 2130030000 is about 1286.6543917980.

Adding to 2130030000 its reverse (300312), we get a palindrome (2130330312).

The spelling of 2130030000 in words is "two billion, one hundred thirty million, thirty thousand".