Search a number
-
+
11231302043 = 13978906663
BaseRepresentation
bin10100111010111000…
…00001000110011011
31001222201200020222202
422131130001012123
5141000203131133
65054245440415
7545215330553
oct123534010633
931881606882
1011231302043
114843860505
12221541010b
13109cb21470
147878c0163
1545b02d2e8
hex29d70119b

11231302043 has 8 divisors (see below), whose sum is σ = 12219943008. Its totient is φ = 10260474624.

The previous prime is 11231302039. The next prime is 11231302057. The reversal of 11231302043 is 34020313211.

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

It is a cyclic number.

It is not a de Polignac number, because 11231302043 - 22 = 11231302039 is a prime.

It is a super-2 number, since 2×112313020432 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231302013) 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, 4452071 + ... + 4454592.

It is an arithmetic number, because the mean of its divisors is an integer number (1527492876).

Almost surely, 211231302043 is an apocalyptic number.

11231302043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11231302043 is a deficient number, since it is larger than the sum of its proper divisors (988640965).

11231302043 is an equidigital number, since it uses as much as digits as its factorization.

11231302043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906773.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11231302043 its reverse (34020313211), we get a palindrome (45251615254).

The spelling of 11231302043 in words is "eleven billion, two hundred thirty-one million, three hundred two thousand, forty-three".

Divisors: 1 13 97 1261 8906663 115786619 863946311 11231302043