Search a number
-
+
11154304660 = 22510110353611
BaseRepresentation
bin10100110001101100…
…10010111010010100
31001210100210101102211
422120312102322110
5140321000222120
65042455243204
7543262011442
oct123066227224
931710711384
1011154304660
114804350204
1221b3679504
131089ba2995
1477b599b92
154543be25a
hex298d92e94

11154304660 has 48 divisors (see below), whose sum is σ = 23886076032. Its totient is φ = 4374576000.

The previous prime is 11154304627. The next prime is 11154304661. The reversal of 11154304660 is 6640345111.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11154304661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181255 + ... + 234865.

It is an arithmetic number, because the mean of its divisors is an integer number (497626584).

Almost surely, 211154304660 is an apocalyptic number.

11154304660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11154304660 is an abundant number, since it is smaller than the sum of its proper divisors (12731771372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11154304660 is a wasteful number, since it uses less digits than its factorization.

11154304660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53824 (or 53822 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 11154304660 its reverse (6640345111), we get a palindrome (17794649771).

The spelling of 11154304660 in words is "eleven billion, one hundred fifty-four million, three hundred four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 101 103 202 206 404 412 505 515 1010 1030 2020 2060 10403 20806 41612 52015 53611 104030 107222 208060 214444 268055 536110 1072220 5414711 5521933 10829422 11043866 21658844 22087732 27073555 27609665 54147110 55219330 108294220 110438660 557715233 1115430466 2230860932 2788576165 5577152330 11154304660