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2001011214 = 231719617757
BaseRepresentation
bin111011101000101…
…0000001000001110
312011110020220100110
41313101100020032
513044224324324
6530320340450
7100405212636
oct16721201016
95143226313
102001011214
11937578384
1247a174726
1325b73c707
1414da7d6c6
15baa12329
hex7745020e

2001011214 has 16 divisors (see below), whose sum is σ = 4237435728. Its totient is φ = 627768192.

The previous prime is 2001011203. The next prime is 2001011251. The reversal of 2001011214 is 4121101002.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001011214.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9808777 + ... + 9808980.

It is an arithmetic number, because the mean of its divisors is an integer number (264839733).

Almost surely, 22001011214 is an apocalyptic number.

2001011214 is an abundant number, since it is smaller than the sum of its proper divisors (2236424514).

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

2001011214 is a wasteful number, since it uses less digits than its factorization.

2001011214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19617779.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2001011214 is about 44732.6638375136. The cubic root of 2001011214 is about 1260.1333557519.

Adding to 2001011214 its reverse (4121101002), we get a palindrome (6122112216).

The spelling of 2001011214 in words is "two billion, one million, eleven thousand, two hundred fourteen".

Divisors: 1 2 3 6 17 34 51 102 19617757 39235514 58853271 117706542 333501869 667003738 1000505607 2001011214