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11315786105 = 5131019170843
BaseRepresentation
bin10101000100111100…
…10011000101111001
31002012121122111100002
422202132103011321
5141133320123410
65110504322345
7550262411021
oct124236230571
932177574302
1011315786105
114887514648
1222397733b5
1310b4491830
14794bd2a81
1546366a7a5
hex2a2793179

11315786105 has 16 divisors (see below), whose sum is σ = 14637913920. Its totient is φ = 8348023488.

The previous prime is 11315786101. The next prime is 11315786113. The reversal of 11315786105 is 50168751311.

11315786105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11315786105 - 22 = 11315786101 is a prime.

It is a super-2 number, since 2×113157861052 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11315786101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19187 + ... + 151656.

It is an arithmetic number, because the mean of its divisors is an integer number (914869620).

Almost surely, 211315786105 is an apocalyptic number.

It is an amenable number.

11315786105 is a deficient number, since it is larger than the sum of its proper divisors (3322127815).

11315786105 is a wasteful number, since it uses less digits than its factorization.

11315786105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171880.

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 11315786105 in words is "eleven billion, three hundred fifteen million, seven hundred eighty-six thousand, one hundred five".

Divisors: 1 5 13 65 1019 5095 13247 66235 170843 854215 2220959 11104795 174089017 870445085 2263157221 11315786105