Search a number
-
+
11988033087 = 318122077409
BaseRepresentation
bin10110010101000101…
…01101111000111111
31010221110121011211110
423022202231320333
5144022414024322
65301321053103
7603034412532
oct131242557077
933843534743
1011988033087
1150a1a28768
1223a6927193
131190834904
1481a1c4a19
154a26a9c0c
hex2ca8ade3f

11988033087 has 8 divisors (see below), whose sum is σ = 16072354480. Its totient is φ = 7947866880.

The previous prime is 11988033077. The next prime is 11988033107. The reversal of 11988033087 is 78033088911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11988033087 - 215 = 11988000319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11988033077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11038162 + ... + 11039247.

It is an arithmetic number, because the mean of its divisors is an integer number (2009044310).

Almost surely, 211988033087 is an apocalyptic number.

11988033087 is a deficient number, since it is larger than the sum of its proper divisors (4084321393).

11988033087 is a wasteful number, since it uses less digits than its factorization.

11988033087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22077593.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 11988033087 in words is "eleven billion, nine hundred eighty-eight million, thirty-three thousand, eighty-seven".

Divisors: 1 3 181 543 22077409 66232227 3996011029 11988033087