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1001111010011 = 721091494992521
BaseRepresentation
bin11101001000101101101…
…11011011101011011011
310112201001010222120200222
432210112313123223123
5112400233404310021
62043523135150255
7132220315116200
oct16442667335333
93481033876628
101001111010011
11356629080192
1214203207538b
1373534502a08
143664dc0dca7
151b0940746ab
hexe916ddbadb

1001111010011 has 48 divisors (see below), whose sum is σ = 1185970500000. Its totient is φ = 842489786880.

The previous prime is 1001111009981. The next prime is 1001111010013. The reversal of 1001111010011 is 1100101111001.

It is a de Polignac number, because none of the positive numbers 2k-1001111010011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001111010013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397107431 + ... + 397109951.

It is an arithmetic number, because the mean of its divisors is an integer number (24707718750).

Almost surely, 21001111010011 is an apocalyptic number.

1001111010011 is a deficient number, since it is larger than the sum of its proper divisors (184859489989).

1001111010011 is a wasteful number, since it uses less digits than its factorization.

1001111010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292 (or 3285 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1001111010011 its reverse (1100101111001), we get a palindrome (2101212121012).

The spelling of 1001111010011 in words is "one trillion, one billion, one hundred eleven million, ten thousand, eleven".

Divisors: 1 7 49 109 149 499 763 1043 2521 3493 5341 7301 16241 17647 24451 54391 74351 113687 123529 274789 375629 380737 520457 795809 1257979 1923523 2629403 2665159 3643199 8104259 8805853 13464661 18405821 40943561 56729813 61640971 137119711 187438871 286604927 397108691 959837977 1312072097 2006234489 6718865839 9184504679 20430836939 143015858573 1001111010011