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2031212032 = 298634597
BaseRepresentation
bin111100100010001…
…1101011000000000
312020120002021002021
41321010131120000
513124442241112
6533315531224
7101223005653
oct17104353000
95216067067
102031212032
11952625733
124882b9b14
13264a84c15
14153aa189a
15bd4ca907
hex7911d600

2031212032 has 40 divisors (see below), whose sum is σ = 4064043456. Its totient is φ = 1014208512.

The previous prime is 2031212017. The next prime is 2031212063. The reversal of 2031212032 is 2302121302.

It is a super-4 number, since 4×20312120324 (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2031211997 and 2031212015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439558 + ... + 444154.

Almost surely, 22031212032 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 2031212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032021728).

2031212032 is an abundant number, since it is smaller than the sum of its proper divisors (2032831424).

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

2031212032 is an frugal number, since it uses more digits than its factorization.

2031212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478 (or 5462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2031212032 is about 45068.9697241905. The cubic root of 2031212032 is about 1266.4413639289.

Adding to 2031212032 its reverse (2302121302), we get a palindrome (4333333334).

The spelling of 2031212032 in words is "two billion, thirty-one million, two hundred twelve thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 863 1726 3452 4597 6904 9194 13808 18388 27616 36776 55232 73552 110464 147104 220928 294208 441856 588416 1176832 2353664 3967211 7934422 15868844 31737688 63475376 126950752 253901504 507803008 1015606016 2031212032