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2031212000 = 2553507803
BaseRepresentation
bin111100100010001…
…1101010111100000
312020120002021001002
41321010131113200
513124442241000
6533315531132
7101223005606
oct17104352740
95216067032
102031212000
11952625704
124882b9aa8
13264a84bbc
14153aa1876
15bd4ca8d5
hex7911d5e0

2031212000 has 48 divisors (see below), whose sum is σ = 4990697712. Its totient is φ = 812483200.

The previous prime is 2031211981. The next prime is 2031212009. The reversal of 2031212000 is 2121302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031212009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249902 + ... + 257901.

It is an arithmetic number, because the mean of its divisors is an integer number (103972869).

Almost surely, 22031212000 is an apocalyptic number.

2031212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031212000 is an abundant number, since it is smaller than the sum of its proper divisors (2959485712).

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

2031212000 is an equidigital number, since it uses as much as digits as its factorization.

2031212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507828 (or 507810 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2031212000 is about 45068.9693691791. The cubic root of 2031212000 is about 1266.4413572783.

Adding to 2031212000 its reverse (2121302), we get a palindrome (2033333302).

The spelling of 2031212000 in words is "two billion, thirty-one million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 507803 1015606 2031212 2539015 4062424 5078030 8124848 10156060 12695075 16249696 20312120 25390150 40624240 50780300 63475375 81248480 101560600 126950750 203121200 253901500 406242400 507803000 1015606000 2031212000