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1810010001011 = 20398089109741
BaseRepresentation
bin11010010101101101000…
…000001100111001110011
320102000221201010220101212
4122111231000030321303
5214123400030013021
63503301311550335
7244524510105332
oct32255500147163
96360851126355
101810010001011
116386915055a3
1225296082b3ab
131018b6024824
1463867db5d19
153213873e85b
hex1a56d00ce73

1810010001011 has 8 divisors (see below), whose sum is σ = 1811138071200. Its totient is φ = 1808882170560.

The previous prime is 1810010000987. The next prime is 1810010001013. The reversal of 1810010001011 is 1101000100181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1810010001011 is a prime.

It is a super-2 number, since 2×18100100010112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1810010001013) 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, 16438601 + ... + 16548341.

It is an arithmetic number, because the mean of its divisors is an integer number (226392258900).

Almost surely, 21810010001011 is an apocalyptic number.

1810010001011 is a deficient number, since it is larger than the sum of its proper divisors (1128070189).

1810010001011 is a wasteful number, since it uses less digits than its factorization.

1810010001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119869.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1810010001011 its reverse (1101000100181), we get a palindrome (2911010101192).

The spelling of 1810010001011 in words is "one trillion, eight hundred ten billion, ten million, one thousand, eleven".

Divisors: 1 2039 8089 109741 16493471 223761899 887694949 1810010001011