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2001330105 = 35337523757
BaseRepresentation
bin111011101001001…
…1101111110111001
312011110212002210020
41313102131332321
513044320030410
6530331241053
7100411011435
oct16722357671
95143762706
102001330105
11937775a25
1247a2a9189
1325b8218c8
1414db239c5
15baa76a70
hex7749dfb9

2001330105 has 32 divisors (see below), whose sum is σ = 3222021504. Its totient is φ = 1060770816.

The previous prime is 2001330101. The next prime is 2001330131. The reversal of 2001330105 is 5010331002.

It is a happy number.

It is not a de Polignac number, because 2001330105 - 22 = 2001330101 is a prime.

It is a super-2 number, since 2×20013301052 = 8010644378358622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2001330101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2643387 + ... + 2644143.

It is an arithmetic number, because the mean of its divisors is an integer number (100688172).

Almost surely, 22001330105 is an apocalyptic number.

It is an amenable number.

2001330105 is a deficient number, since it is larger than the sum of its proper divisors (1220691399).

2001330105 is a wasteful number, since it uses less digits than its factorization.

2001330105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 2001330105 is about 44736.2281043004. The cubic root of 2001330105 is about 1260.2002925484.

Adding to 2001330105 its reverse (5010331002), we get a palindrome (7011661107).

The spelling of 2001330105 in words is "two billion, one million, three hundred thirty thousand, one hundred five".

Divisors: 1 3 5 15 337 523 757 1011 1569 1685 2271 2615 3785 5055 7845 11355 176251 255109 395911 528753 765327 881255 1187733 1275545 1979555 2643765 3826635 5938665 133422007 400266021 667110035 2001330105