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11720083135 = 517140997859
BaseRepresentation
bin10101110101001001…
…00100011010111111
31010020210101220121011
422322210210122333
5143000320130020
65214550020051
7563302030405
oct127244443277
933223356534
1011720083135
114a74754a22
122331047627
13114a178c47
147d2795475
15488dcc35a
hex2ba9246bf

11720083135 has 16 divisors (see below), whose sum is σ = 14902120800. Its totient is φ = 8818180096.

The previous prime is 11720083121. The next prime is 11720083153. The reversal of 11720083135 is 53138002711.

It is a cyclic number.

It is not a de Polignac number, because 11720083135 - 225 = 11686528703 is a prime.

It is a super-2 number, since 2×117200831352 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11720083097 and 11720083106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70836 + ... + 168694.

It is an arithmetic number, because the mean of its divisors is an integer number (931382550).

Almost surely, 211720083135 is an apocalyptic number.

11720083135 is a deficient number, since it is larger than the sum of its proper divisors (3182037665).

11720083135 is a wasteful number, since it uses less digits than its factorization.

11720083135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99290.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 11720083135 its reverse (53138002711), we get a palindrome (64858085846).

The spelling of 11720083135 in words is "eleven billion, seven hundred twenty million, eighty-three thousand, one hundred thirty-five".

Divisors: 1 5 17 85 1409 7045 23953 97859 119765 489295 1663603 8318015 137883331 689416655 2344016627 11720083135