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1011990210011 = 11179755790849
BaseRepresentation
bin11101011100111110101…
…00010010010111011011
310120202010100010012111022
432232133110102113123
5113040023443210021
62052522450153055
7133054026566354
oct16563724222733
93522110105438
101011990210011
11360201100170
1214416958278b
13745793b3271
1436da2a36d2b
151b4ce2011ab
hexeb9f5125db

1011990210011 has 16 divisors (see below), whose sum is σ = 1180980712800. Its totient is φ = 856947425280.

The previous prime is 1011990209987. The next prime is 1011990210029. The reversal of 1011990210011 is 1100120991101.

It is a cyclic number.

It is not a de Polignac number, because 1011990210011 - 218 = 1011989947867 is a prime.

It is a super-3 number, since 3×10119902100113 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011990210311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27877286 + ... + 27913563.

It is an arithmetic number, because the mean of its divisors is an integer number (73811294550).

Almost surely, 21011990210011 is an apocalyptic number.

1011990210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011990210011 is a deficient number, since it is larger than the sum of its proper divisors (168990502789).

1011990210011 is a wasteful number, since it uses less digits than its factorization.

1011990210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55790974.

The product of its (nonzero) digits is 162, while the sum is 26.

The spelling of 1011990210011 in words is "one trillion, eleven billion, nine hundred ninety million, two hundred ten thousand, eleven".

Divisors: 1 11 17 97 187 1067 1649 18139 55790849 613699339 948444433 5411712353 10432888763 59528835883 91999110001 1011990210011