Search a number
-
+
11945999086 = 2719367312227
BaseRepresentation
bin10110010000000100…
…10111101011101110
31010211112111122000121
423020002113223232
5143431133432321
65253220115154
7602014213450
oct131002275356
933745448017
1011945999086
115080228a1a
122394835aba
131184c08318
148147a22d0
1549db55441
hex2c8097aee

11945999086 has 32 divisors (see below), whose sum is σ = 21564322560. Its totient is φ = 4848538176.

The previous prime is 11945999083. The next prime is 11945999089. The reversal of 11945999086 is 68099954911.

11945999086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11945999083) and next prime (11945999089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945999083) 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, 970905 + ... + 983131.

It is an arithmetic number, because the mean of its divisors is an integer number (673885080).

Almost surely, 211945999086 is an apocalyptic number.

11945999086 is a deficient number, since it is larger than the sum of its proper divisors (9618323474).

11945999086 is a wasteful number, since it uses less digits than its factorization.

11945999086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15928.

The product of its (nonzero) digits is 6298560, while the sum is 61.

The spelling of 11945999086 in words is "eleven billion, nine hundred forty-five million, nine hundred ninety-nine thousand, eighty-six".

Divisors: 1 2 7 14 19 38 133 266 3673 7346 12227 24454 25711 51422 69787 85589 139574 171178 232313 464626 488509 977018 1626191 3252382 44909771 89819542 314368397 628736794 853285649 1706571298 5972999543 11945999086