Search a number
-
+
11011111030 = 2531257138209
BaseRepresentation
bin10100100000101000…
…00011100001110110
31001102101100101201001
422100110003201312
5140022321023110
65020342153514
7536602620343
oct122024034166
931371311631
1011011111030
114740537767
12217372289a
131066317b1a
147665637ca
15446a3663a
hex290503876

11011111030 has 32 divisors (see below), whose sum is σ = 20539111680. Its totient is φ = 4245749760.

The previous prime is 11011111009. The next prime is 11011111031. The reversal of 11011111030 is 3011111011.

It is a super-2 number, since 2×110111110302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11011110998 and 11011111016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011111031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10566 + ... + 148774.

It is an arithmetic number, because the mean of its divisors is an integer number (641847240).

Almost surely, 211011111030 is an apocalyptic number.

11011111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011111030 is a deficient number, since it is larger than the sum of its proper divisors (9528000650).

11011111030 is a wasteful number, since it uses less digits than its factorization.

11011111030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138504.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 11011111030 its reverse (3011111011), we get a palindrome (14022222041).

The spelling of 11011111030 in words is "eleven billion, eleven million, one hundred eleven thousand, thirty".

Divisors: 1 2 5 10 31 62 155 257 310 514 1285 2570 7967 15934 39835 79670 138209 276418 691045 1382090 4284479 8568958 21422395 35519713 42844790 71039426 177598565 355197130 1101111103 2202222206 5505555515 11011111030