Base | Representation |
---|---|
bin | 10101100100100111… |
… | …10111111011101011 |
3 | 1002220010121121000102 |
4 | 22302103313323223 |
5 | 142204330121000 |
6 | 5153115300015 |
7 | 560000013455 |
oct | 126223677353 |
9 | 32803547012 |
10 | 11581488875 |
11 | 4a034a3010 |
12 | 22b274a60b |
13 | 11275416c8 |
14 | 7bc1d92d5 |
15 | 47bb523d5 |
hex | 2b24f7eeb |
11581488875 has 32 divisors (see below), whose sum is σ = 15967411200. Its totient is φ = 8316204000.
The previous prime is 11581488869. The next prime is 11581488883. The reversal of 11581488875 is 57888418511.
It is not a de Polignac number, because 11581488875 - 24 = 11581488859 is a prime.
It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 11581488875.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55316 + ... + 161934.
It is an arithmetic number, because the mean of its divisors is an integer number (498981600).
Almost surely, 211581488875 is an apocalyptic number.
11581488875 is a deficient number, since it is larger than the sum of its proper divisors (4385922325).
11581488875 is a wasteful number, since it uses less digits than its factorization.
11581488875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106724 (or 106714 counting only the distinct ones).
The product of its digits is 2867200, while the sum is 56.
The spelling of 11581488875 in words is "eleven billion, five hundred eighty-one million, four hundred eighty-eight thousand, eight hundred seventy-five".
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