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2130213000 = 233537173137
BaseRepresentation
bin111111011111000…
…0111100010001000
312111110101000212210
41332332013202020
513330313304000
6551213505120
7103534340346
oct17676074210
95443330783
102130213000
119a34a4613
124b54a21a0
1327c438a86
14162cb2996
15c7034350
hex7ef87888

2130213000 has 256 divisors, whose sum is σ = 6882071040. Its totient is φ = 548352000.

The previous prime is 2130212993. The next prime is 2130213013. The reversal of 2130213000 is 3120312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15548932 + ... + 15549068.

It is an arithmetic number, because the mean of its divisors is an integer number (26883090).

Almost surely, 22130213000 is an apocalyptic number.

2130213000 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 2130213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3441035520).

2130213000 is an abundant number, since it is smaller than the sum of its proper divisors (4751858040).

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

2130213000 is a wasteful number, since it uses less digits than its factorization.

2130213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2130213000 is about 46154.2305753221. The cubic root of 2130213000 is about 1286.6912380726.

Adding to 2130213000 its reverse (3120312), we get a palindrome (2133333312).

It can be divided in two parts, 2130 and 213000, that multiplied together give a square (453690000 = 213002).

The spelling of 2130213000 in words is "two billion, one hundred thirty million, two hundred thirteen thousand".